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