[0,1,2,3,4,1,2,3,4,5,1,2,3,4,5,2,3,4,5,6,2,3,4,5, 6,1,2,3,4,5,2,3,4,5,6,2,3,4,5,6,3,4,5,6,7,3,4,5,6, 7,1,2,3,4,5,2,3,4,5,6,2,3,4,5,6,3,4,5,6,7,3,4,5,6, 7,2,3,4,5,6,3,4,5,6,7,3,4,5,6,7,4,5,6,7,8,4,5,6,7, 8,2,3]