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