[0,1,2,1,2,1,2,3,2,1,2,3,4,3,2,1,2,3,4,5,4,3,4,3, 2,1,2,3,4,5,6,7,6,5,4,3,4,3,2,1,2,3,4,5,6,5,6,7,6, 7,6,7,8,7,6,5,4,3,4,3,4,3,4,3,2,3,4,5,4,5,6,7,8,7, 8,9,8,9,10,11,10,9,10,9,8,7,6,5,6,5,4,5,4,3,2,1,2, 3,4,3,4,5,6]