[1,1,2,2,3,2,4,5,4,3,6,5,7,4,8,8,9,4,10,8,11,6,12,
13,14,7,10,11,15,8,16,17,18,9,19,11,20,10,19,21,
22,11,23,18,19,12,24,21,23,14,25,19,26,10,27,28,
29,15,30,21,31,16,32,25,33,18,34,25,35,19,36,28,
37,20,27,29,38,19,39,40,41,22,42,28,43,23,44,45,
46,19,47,35,38,24,48,49]
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