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