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{﹣1,1} {1,2} {﹣1,1,3,5} {﹣1,0,1,2}
{0,1} {-1,0,1} {0,1,2} {-1,0,1,2}
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{-1,1} {1,2} {-1,1,3,5} {-1,0,1,2}
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