﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>Y4 - DCE Blockboard</Name>
  <Categories>
    <PortfolioCategory>
      <Name>Year 2016</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F16</Name>
          <Description>DCE Blockboard JAN 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G16</Name>
          <Description>DCE Blockboard FEB 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H16</Name>
          <Description>DCE Blockboard MAR 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J16</Name>
          <Description>DCE Blockboard APR 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K16</Name>
          <Description>DCE Blockboard MAY 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M16</Name>
          <Description>DCE Blockboard JUN 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N16</Name>
          <Description>DCE Blockboard JUL 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q16</Name>
          <Description>DCE Blockboard AUG 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U16</Name>
          <Description>DCE Blockboard SEP 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V16</Name>
          <Description>DCE Blockboard OCT 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X16</Name>
          <Description>DCE Blockboard NOV 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z16</Name>
          <Description>DCE Blockboard DEC 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2017</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F17</Name>
          <Description>DCE Blockboard JAN 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G17</Name>
          <Description>DCE Blockboard FEB 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H17</Name>
          <Description>DCE Blockboard MAR 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J17</Name>
          <Description>DCE Blockboard APR 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K17</Name>
          <Description>DCE Blockboard MAY 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M17</Name>
          <Description>DCE Blockboard JUN 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N17</Name>
          <Description>DCE Blockboard JUL 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q17</Name>
          <Description>DCE Blockboard AUG 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U17</Name>
          <Description>DCE Blockboard SEP 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V17</Name>
          <Description>DCE Blockboard OCT 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X17</Name>
          <Description>DCE Blockboard NOV 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z17</Name>
          <Description>DCE Blockboard DEC 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2018</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F18</Name>
          <Description>DCE Blockboard JAN 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G18</Name>
          <Description>DCE Blockboard FEB 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H18</Name>
          <Description>DCE Blockboard MAR 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J18</Name>
          <Description>DCE Blockboard APR 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K18</Name>
          <Description>DCE Blockboard MAY 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M18</Name>
          <Description>DCE Blockboard JUN 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N18</Name>
          <Description>DCE Blockboard JUL 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q18</Name>
          <Description>DCE Blockboard AUG 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U18</Name>
          <Description>DCE Blockboard SEP 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V18</Name>
          <Description>DCE Blockboard OCT 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X18</Name>
          <Description>DCE Blockboard NOV 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z18</Name>
          <Description>DCE Blockboard DEC 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2019</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F19</Name>
          <Description>DCE Blockboard JAN 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G19</Name>
          <Description>DCE Blockboard FEB 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H19</Name>
          <Description>DCE Blockboard MAR 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J19</Name>
          <Description>DCE Blockboard APR 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K19</Name>
          <Description>DCE Blockboard MAY 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M19</Name>
          <Description>DCE Blockboard JUN 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N19</Name>
          <Description>DCE Blockboard JUL 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q19</Name>
          <Description>DCE Blockboard AUG 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U19</Name>
          <Description>DCE Blockboard SEP 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V19</Name>
          <Description>DCE Blockboard OCT 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X19</Name>
          <Description>DCE Blockboard NOV 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z19</Name>
          <Description>DCE Blockboard DEC 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2020</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F20</Name>
          <Description>DCE Blockboard JAN 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G20</Name>
          <Description>DCE Blockboard FEB 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H20</Name>
          <Description>DCE Blockboard MAR 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J20</Name>
          <Description>DCE Blockboard APR 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K20</Name>
          <Description>DCE Blockboard MAY 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M20</Name>
          <Description>DCE Blockboard JUN 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N20</Name>
          <Description>DCE Blockboard JUL 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q20</Name>
          <Description>DCE Blockboard AUG 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U20</Name>
          <Description>DCE Blockboard SEP 2020</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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          <Name>Y4V20</Name>
          <Description>DCE Blockboard OCT 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X20</Name>
          <Description>DCE Blockboard NOV 2020</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Z20</Name>
          <Description>DCE Blockboard DEC 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2021</Name>
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        <PortfolioSymbol>
          <Name>Y4F21</Name>
          <Description>DCE Blockboard JAN 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G21</Name>
          <Description>DCE Blockboard FEB 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H21</Name>
          <Description>DCE Blockboard MAR 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J21</Name>
          <Description>DCE Blockboard APR 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K21</Name>
          <Description>DCE Blockboard MAY 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M21</Name>
          <Description>DCE Blockboard JUN 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N21</Name>
          <Description>DCE Blockboard JUL 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q21</Name>
          <Description>DCE Blockboard AUG 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U21</Name>
          <Description>DCE Blockboard SEP 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V21</Name>
          <Description>DCE Blockboard OCT 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X21</Name>
          <Description>DCE Blockboard NOV 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z21</Name>
          <Description>DCE Blockboard DEC 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2022</Name>
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        <PortfolioSymbol>
          <Name>Y4F22</Name>
          <Description>DCE Blockboard JAN 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G22</Name>
          <Description>DCE Blockboard FEB 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H22</Name>
          <Description>DCE Blockboard MAR 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J22</Name>
          <Description>DCE Blockboard APR 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K22</Name>
          <Description>DCE Blockboard MAY 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M22</Name>
          <Description>DCE Blockboard JUN 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N22</Name>
          <Description>DCE Blockboard JUL 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q22</Name>
          <Description>DCE Blockboard AUG 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U22</Name>
          <Description>DCE Blockboard SEP 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V22</Name>
          <Description>DCE Blockboard OCT 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X22</Name>
          <Description>DCE Blockboard NOV 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z22</Name>
          <Description>DCE Blockboard DEC 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2023</Name>
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        <PortfolioSymbol>
          <Name>Y4F23</Name>
          <Description>DCE Blockboard JAN 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G23</Name>
          <Description>DCE Blockboard FEB 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H23</Name>
          <Description>DCE Blockboard MAR 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J23</Name>
          <Description>DCE Blockboard APR 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4K23</Name>
          <Description>DCE Blockboard MAY 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M23</Name>
          <Description>DCE Blockboard JUN 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4N23</Name>
          <Description>DCE Blockboard JUL 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Q23</Name>
          <Description>DCE Blockboard AUG 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4U23</Name>
          <Description>DCE Blockboard SEP 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V23</Name>
          <Description>DCE Blockboard OCT 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X23</Name>
          <Description>DCE Blockboard NOV 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z23</Name>
          <Description>DCE Blockboard DEC 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2024</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F24</Name>
          <Description>DCE Blockboard JAN 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G24</Name>
          <Description>DCE Blockboard FEB 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H24</Name>
          <Description>DCE Blockboard MAR 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J24</Name>
          <Description>DCE Blockboard APR 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K24</Name>
          <Description>DCE Blockboard MAY 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4M24</Name>
          <Description>DCE Blockboard JUN 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4N24</Name>
          <Description>DCE Blockboard JUL 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Q24</Name>
          <Description>DCE Blockboard AUG 2024</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4U24</Name>
          <Description>DCE Blockboard SEP 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4V24</Name>
          <Description>DCE Blockboard OCT 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4X24</Name>
          <Description>DCE Blockboard NOV 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Z24</Name>
          <Description>DCE Blockboard DEC 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2025</Name>
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        <PortfolioSymbol>
          <Name>Y4F25</Name>
          <Description>DCE Blockboard JAN 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4G25</Name>
          <Description>DCE Blockboard FEB 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4H25</Name>
          <Description>DCE Blockboard MAR 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J25</Name>
          <Description>DCE Blockboard APR 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4K25</Name>
          <Description>DCE Blockboard MAY 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4M25</Name>
          <Description>DCE Blockboard JUN 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4N25</Name>
          <Description>DCE Blockboard JUL 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Q25</Name>
          <Description>DCE Blockboard AUG 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4U25</Name>
          <Description>DCE Blockboard SEP 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4V25</Name>
          <Description>DCE Blockboard OCT 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4X25</Name>
          <Description>DCE Blockboard NOV 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z25</Name>
          <Description>DCE Blockboard DEC 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2026</Name>
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        <PortfolioSymbol>
          <Name>Y4F26</Name>
          <Description>DCE Blockboard JAN 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G26</Name>
          <Description>DCE Blockboard FEB 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H26</Name>
          <Description>DCE Blockboard MAR 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J26</Name>
          <Description>DCE Blockboard APR 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4K26</Name>
          <Description>DCE Blockboard MAY 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4M26</Name>
          <Description>DCE Blockboard JUN 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4N26</Name>
          <Description>DCE Blockboard JUL 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Q26</Name>
          <Description>DCE Blockboard AUG 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4U26</Name>
          <Description>DCE Blockboard SEP 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4V26</Name>
          <Description>DCE Blockboard OCT 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4X26</Name>
          <Description>DCE Blockboard NOV 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Z26</Name>
          <Description>DCE Blockboard DEC 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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    <PortfolioCategory>
      <Name>Year 2027</Name>
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        <PortfolioSymbol>
          <Name>Y4F27</Name>
          <Description>DCE Blockboard JAN 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4G27</Name>
          <Description>DCE Blockboard FEB 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4H27</Name>
          <Description>DCE Blockboard MAR 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4J27</Name>
          <Description>DCE Blockboard APR 2027</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4K27</Name>
          <Description>DCE Blockboard MAY 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4M27</Name>
          <Description>DCE Blockboard JUN 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4N27</Name>
          <Description>DCE Blockboard JUL 2027</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Q27</Name>
          <Description>DCE Blockboard AUG 2027</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4U27</Name>
          <Description>DCE Blockboard SEP 2027</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4V27</Name>
          <Description>DCE Blockboard OCT 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4X27</Name>
          <Description>DCE Blockboard NOV 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Z27</Name>
          <Description>DCE Blockboard DEC 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2028</Name>
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        <PortfolioSymbol>
          <Name>Y4F28</Name>
          <Description>DCE Blockboard JAN 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G28</Name>
          <Description>DCE Blockboard FEB 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H28</Name>
          <Description>DCE Blockboard MAR 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J28</Name>
          <Description>DCE Blockboard APR 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K28</Name>
          <Description>DCE Blockboard MAY 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4M28</Name>
          <Description>DCE Blockboard JUN 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N28</Name>
          <Description>DCE Blockboard JUL 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Q28</Name>
          <Description>DCE Blockboard AUG 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U28</Name>
          <Description>DCE Blockboard SEP 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V28</Name>
          <Description>DCE Blockboard OCT 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X28</Name>
          <Description>DCE Blockboard NOV 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z28</Name>
          <Description>DCE Blockboard DEC 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2029</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F29</Name>
          <Description>DCE Blockboard JAN 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G29</Name>
          <Description>DCE Blockboard FEB 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H29</Name>
          <Description>DCE Blockboard MAR 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J29</Name>
          <Description>DCE Blockboard APR 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K29</Name>
          <Description>DCE Blockboard MAY 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M29</Name>
          <Description>DCE Blockboard JUN 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N29</Name>
          <Description>DCE Blockboard JUL 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q29</Name>
          <Description>DCE Blockboard AUG 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U29</Name>
          <Description>DCE Blockboard SEP 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V29</Name>
          <Description>DCE Blockboard OCT 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X29</Name>
          <Description>DCE Blockboard NOV 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z29</Name>
          <Description>DCE Blockboard DEC 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2030</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F30</Name>
          <Description>DCE Blockboard JAN 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G30</Name>
          <Description>DCE Blockboard FEB 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H30</Name>
          <Description>DCE Blockboard MAR 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J30</Name>
          <Description>DCE Blockboard APR 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K30</Name>
          <Description>DCE Blockboard MAY 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M30</Name>
          <Description>DCE Blockboard JUN 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N30</Name>
          <Description>DCE Blockboard JUL 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q30</Name>
          <Description>DCE Blockboard AUG 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U30</Name>
          <Description>DCE Blockboard SEP 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V30</Name>
          <Description>DCE Blockboard OCT 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X30</Name>
          <Description>DCE Blockboard NOV 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z30</Name>
          <Description>DCE Blockboard DEC 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2031</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F31</Name>
          <Description>DCE Blockboard JAN 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G31</Name>
          <Description>DCE Blockboard FEB 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H31</Name>
          <Description>DCE Blockboard MAR 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J31</Name>
          <Description>DCE Blockboard APR 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K31</Name>
          <Description>DCE Blockboard MAY 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M31</Name>
          <Description>DCE Blockboard JUN 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N31</Name>
          <Description>DCE Blockboard JUL 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q31</Name>
          <Description>DCE Blockboard AUG 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U31</Name>
          <Description>DCE Blockboard SEP 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V31</Name>
          <Description>DCE Blockboard OCT 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X31</Name>
          <Description>DCE Blockboard NOV 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z31</Name>
          <Description>DCE Blockboard DEC 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2032</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F32</Name>
          <Description>DCE Blockboard JAN 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G32</Name>
          <Description>DCE Blockboard FEB 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H32</Name>
          <Description>DCE Blockboard MAR 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J32</Name>
          <Description>DCE Blockboard APR 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K32</Name>
          <Description>DCE Blockboard MAY 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M32</Name>
          <Description>DCE Blockboard JUN 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N32</Name>
          <Description>DCE Blockboard JUL 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q32</Name>
          <Description>DCE Blockboard AUG 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U32</Name>
          <Description>DCE Blockboard SEP 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V32</Name>
          <Description>DCE Blockboard OCT 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X32</Name>
          <Description>DCE Blockboard NOV 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z32</Name>
          <Description>DCE Blockboard DEC 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2033</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F33</Name>
          <Description>DCE Blockboard JAN 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G33</Name>
          <Description>DCE Blockboard FEB 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H33</Name>
          <Description>DCE Blockboard MAR 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J33</Name>
          <Description>DCE Blockboard APR 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K33</Name>
          <Description>DCE Blockboard MAY 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M33</Name>
          <Description>DCE Blockboard JUN 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N33</Name>
          <Description>DCE Blockboard JUL 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q33</Name>
          <Description>DCE Blockboard AUG 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U33</Name>
          <Description>DCE Blockboard SEP 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V33</Name>
          <Description>DCE Blockboard OCT 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X33</Name>
          <Description>DCE Blockboard NOV 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z33</Name>
          <Description>DCE Blockboard DEC 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2034</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F34</Name>
          <Description>DCE Blockboard JAN 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G34</Name>
          <Description>DCE Blockboard FEB 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H34</Name>
          <Description>DCE Blockboard MAR 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J34</Name>
          <Description>DCE Blockboard APR 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K34</Name>
          <Description>DCE Blockboard MAY 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M34</Name>
          <Description>DCE Blockboard JUN 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N34</Name>
          <Description>DCE Blockboard JUL 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q34</Name>
          <Description>DCE Blockboard AUG 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U34</Name>
          <Description>DCE Blockboard SEP 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V34</Name>
          <Description>DCE Blockboard OCT 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X34</Name>
          <Description>DCE Blockboard NOV 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z34</Name>
          <Description>DCE Blockboard DEC 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2035</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F35</Name>
          <Description>DCE Blockboard JAN 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G35</Name>
          <Description>DCE Blockboard FEB 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H35</Name>
          <Description>DCE Blockboard MAR 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J35</Name>
          <Description>DCE Blockboard APR 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K35</Name>
          <Description>DCE Blockboard MAY 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M35</Name>
          <Description>DCE Blockboard JUN 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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          <Description>DCE Blockboard JUL 2035</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Q35</Name>
          <Description>DCE Blockboard AUG 2035</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4U35</Name>
          <Description>DCE Blockboard SEP 2035</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
          <Name>Y4Z35</Name>
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          <PipFraction>2</PipFraction>
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      <Name>Year 2036</Name>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <PipFraction>2</PipFraction>
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        <PortfolioSymbol>
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          <PipFraction>2</PipFraction>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <Description>DCE Blockboard SEP 2036</Description>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
          <Name>Y4Z36</Name>
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    <PortfolioCategory>
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        <PortfolioSymbol>
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          <PipSize>2</PipSize>
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        <PortfolioSymbol>
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          <PipFraction>2</PipFraction>
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        <PortfolioSymbol>
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          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4J37</Name>
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          <PipFraction>2</PipFraction>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <Description>DCE Blockboard APR 2038</Description>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <Description>DCE Blockboard FEB 2039</Description>
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        <PortfolioSymbol>
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          <Description>DCE Blockboard MAR 2039</Description>
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        <PortfolioSymbol>
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          <Description>DCE Blockboard APR 2039</Description>
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        <PortfolioSymbol>
          <Name>Y4K39</Name>
          <Description>DCE Blockboard MAY 2039</Description>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <Name>Y4F41</Name>
          <Description>DCE Blockboard JAN 2041</Description>
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        <PortfolioSymbol>
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          <Description>DCE Blockboard FEB 2041</Description>
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        <PortfolioSymbol>
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          <Description>DCE Blockboard MAR 2041</Description>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
          <Name>Y4K41</Name>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
          <Name>Y4N41</Name>
          <Description>DCE Blockboard JUL 2041</Description>
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          <Name>Y4Z41</Name>
          <Description>DCE Blockboard DEC 2041</Description>
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          <Name>Y4M48</Name>
          <Description>DCE Blockboard JUN 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4N48</Name>
          <Description>DCE Blockboard JUL 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4Q48</Name>
          <Description>DCE Blockboard AUG 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4U48</Name>
          <Description>DCE Blockboard SEP 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V48</Name>
          <Description>DCE Blockboard OCT 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X48</Name>
          <Description>DCE Blockboard NOV 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z48</Name>
          <Description>DCE Blockboard DEC 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2049</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F49</Name>
          <Description>DCE Blockboard JAN 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G49</Name>
          <Description>DCE Blockboard FEB 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
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        <PortfolioSymbol>
          <Name>Y4H49</Name>
          <Description>DCE Blockboard MAR 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J49</Name>
          <Description>DCE Blockboard APR 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K49</Name>
          <Description>DCE Blockboard MAY 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M49</Name>
          <Description>DCE Blockboard JUN 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N49</Name>
          <Description>DCE Blockboard JUL 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
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          <Description>DCE Blockboard AUG 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U49</Name>
          <Description>DCE Blockboard SEP 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V49</Name>
          <Description>DCE Blockboard OCT 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X49</Name>
          <Description>DCE Blockboard NOV 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z49</Name>
          <Description>DCE Blockboard DEC 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2050</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>Y4F50</Name>
          <Description>DCE Blockboard JAN 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4G50</Name>
          <Description>DCE Blockboard FEB 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4H50</Name>
          <Description>DCE Blockboard MAR 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4J50</Name>
          <Description>DCE Blockboard APR 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4K50</Name>
          <Description>DCE Blockboard MAY 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4M50</Name>
          <Description>DCE Blockboard JUN 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4N50</Name>
          <Description>DCE Blockboard JUL 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Q50</Name>
          <Description>DCE Blockboard AUG 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4U50</Name>
          <Description>DCE Blockboard SEP 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4V50</Name>
          <Description>DCE Blockboard OCT 2050</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4X50</Name>
          <Description>DCE Blockboard NOV 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>Y4Z50</Name>
          <Description>DCE Blockboard DEC 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.05</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
  </Categories>
</Portfolio>