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{ 2, 3, 4, 5, 10, 11, 12, 13, 14, 18, 19, 20, 22 }
{ 1, 21, 25, 26, 27, 28 }
{ }
{ 29, 31 }
{ 6, 7, 8, 9, 15, 16, 17, 23, 24 }
{ 30, 32, 33, 34 }
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