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#1
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![]() 3: 2,3,5,7,9
4: 12 3: 2,7,9 4: 12 3: 2,3,5,7,9 4: 12 5: 3,7,11,12 4: 12 5: 3,7,11,12 6: 1,4 7: 1,3,4,5,10,11 8: 2 9: 2,6,10,12 |