[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,0,0,0,0,0,0,2,2,0,0,0,0,0,0,4,4,4,0,0,0,0,0,0,6,
8,8,6,0,0,0,0,0,0,9,12,16,12,9,0,0,0,0,0,0,12,18,
24,24,18,12,0,0,0,0,0,0,16,24,36,36,36,24,16,0,0,
0,0,0,0,20,32,48,54,54,48,32,20,0,0,0,0,0,0,25,40,
64,72,81,72,64,40,25,0,0,0]
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