[1,1,2,1,2,1,2,3,1,2,2,3,1,2,3,1,2,3,4,1,2,2,3,3, 4,1,2,3,2,3,4,1,2,3,4,1,2,3,4,5,1,2,2,3,3,4,4,5,1, 2,3,2,3,4,3,4,5,1,2,3,4,2,3,4,5,1,2,3,4,5,1,2,3,4, 5,6,1,2,2,3,3,4,4,5,5,6]