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G1 addition

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  • 13 + 7
    20
  • 30 + 12
    42
  • 16 + 4
    20
  • 35 +6
    41
  • 48 +12
    60
  • 72 + 8
    80
  • 21 + 9
    30
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    70
  • 19 +1
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    40
  • 9 + 8
    17
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