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