[1,2,2,3,3,3,4,4,4,4,5,5,6,5,4,5,6,7,5,7,6,6,7,8, 7,6,8,7,8,8,8,9,7,8,8,8,8,10,8,10,9,9,9,9,9,10,10, 11,9,10,10,10,10,10,10,11,11,11,11,12,11,10,11,11, 11,11,12,12,12,12,12,12,12,12,12,12,12,12,13,13, 13]