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M1=[1,3,8,9,14,16,20,22,24,27,32,34,38,40,42,46,48,53,56,58,60,64,66,71,72,77,79]
M2=[2,4,6,10,12,17,18,23,25,28,30,35,36,41,43,47,49,51,54,59,61,65,67,69,73,75,80]
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