﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>QT4 - TENNESSEE ZONE 0 NATURAL GAS SWING </Name>
  <Categories>
    <PortfolioCategory>
      <Name>Year 2016</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z16</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2017</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z17</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2018</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z18</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2019</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z19</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2020</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z20</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2021</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z21</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2022</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z22</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2023</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z23</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2024</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z24</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2025</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z25</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2026</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z26</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2027</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z27</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2028</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z28</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2029</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z29</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2030</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4N30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z30</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2031</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4M31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4U31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z31</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2032</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4X32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Z32</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2033</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4K33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4N33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4U33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4V33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4X33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Z33</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2034</Name>
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        <PortfolioSymbol>
          <Name>QT4F34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4G34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4J34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4K34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4M34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4N34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Q34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4U34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4V34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4X34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Z34</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2035</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4G35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4J35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4K35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4M35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4N35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Q35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4U35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4V35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4X35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Z35</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2036</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>QT4F36</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4G36</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H36</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4J36</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4K36</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4N36</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4V36</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4X36</Name>
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          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Z36</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2037</Name>
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        <PortfolioSymbol>
          <Name>QT4F37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4G37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4J37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4K37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4M37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4N37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Q37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4U37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4V37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4X37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Z37</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2038</Name>
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        <PortfolioSymbol>
          <Name>QT4F38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4G38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4J38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4K38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4M38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4N38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Q38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4U38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  SEP 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4V38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  OCT 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  NOV 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4Z38</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  DEC 2038</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2039</Name>
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        <PortfolioSymbol>
          <Name>QT4F39</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JAN 2039</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4G39</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  FEB 2039</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4H39</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAR 2039</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4J39</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  APR 2039</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4K39</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  MAY 2039</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4M39</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUN 2039</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>QT4N39</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  JUL 2039</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>QT4Q39</Name>
          <Description>TENNESSEE ZONE 0 NATURAL GAS SWING  AUG 2039</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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