[1,2,2,3,2,4,2,5,6,7,2,8,2,9,10,11,2,12,2,13,14,
15,2,16,4,8,17,18,2,19,2,20,21,22,17,23,2,13,24,
25,2,26,2,27,28,29,2,30,31,32,33,34,2,35,36,37,38,
39,2,40,2,41,42,43,44,45,2,46,47,48,2,49,2,27,50,
51,44,52,2,53,54,55,2,56,57,58,59,60,2,61,62,63,
64,65,66,67,2,68,69]
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