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