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