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