[1,1,1,2,3,3,4,4,5,5,6,6,7,8,8,9,9,10,11,11,12,12,
13,13,14,15,15,16,16,17,17,18,19,19,20,20,21,21,
22,23,23,24,24,25,25,26,27,27,28,28,29,30,30,31,
31,32,32,33,34,34,35,35,36,36,37,38,38,39,39,40,
41,41,42,42,43,43,44,45,45,46,46,47,47,48,49,49,
50,50]
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