[0,0,0,0,1,2,2,1,1,0,1,3,4,3,2,3,2,2,2,2,4,4,3,3,
3,3,5,5,3,3,3,3,2,3,4,6,6,7,8,8,7,9,10,12,13,13,
12,14,15,15,16,16,16,17,17,18,19,19,18,19,19,19,
20,21,21,21,20,20,21,21,21,21,21,21,21,21,21,21,
21,21,21,22,23,23,24,25,25,25,25,26,26,26,27,27,
27,27]
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