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