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