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