[1,1,2,3,1,1,2,3,4,5,1,1,2,3,4,5,6,7,5,3,1,1,2,4, 5,7,8,9,7,3,1,1,2,3,4,5,6,7,8,9,10,11,7,5,1,1,2,3, 4,5,6,7,8,9,10,11,12,13,11,9,5,3,1,1,2,4,7,8,11, 13,14,15,13,11,9,7,5,3,1,1,2,3,4]