[1,0,-1,0,1,2,1,2,1,0,1,2,3,2,3,2,3,4,5,4,5,6,5,4,
5,4,5,6,7,6,7,8,9,8,7,8,9,8,9,10,11,12,13,14,13,
14,15,16,17,18,19,20,21,22,21,20,19,20,19,18,19,
18,19,18,19,18,19,18,17,16,15,14,15,14,15,14,13,
14,13,14,15,16,17,18,19,20,19,20,19,20,19,18,19,
20,21,20,19]
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