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