[1,2,2,3,2,3,4,2,2,4,5,3,2,3,5,6,4,2,2,4,6,7,5,3, 2,3,5,7,8,6,4,2,2,4,6,8,9,7,5,3,2,3,5,7,9,10,8,6, 4,2,2,4,6,8,10,11,9,7,5,3,2,3,5,7,9,11,12,10,8,6, 4,2,2,4,6,8,10,12,13,11,9,7,5,3,2,3,5,7,9,11,13, 14,12,10,8,6,4,2,2,4,6,8,10,12,14]