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