[0,0,1,1,2,3,3,2,2,3,3,2,1,1,0,0,0,1,1,0,0,0,1,1, 2,2,3,3,3,2,2,3,4,5,5,4,4,4,5,5,6,6,7,7,7,6,6,7,7, 7,6,6,5,4,4,5,5,4,4,5,6,6,7,7,8,9,9,8,8,8,9,9,10, 10,11,11,11,10,10,11,12,12,13,13,14,15,15,14,14, 15,15,14]