[0,1,2,3,1,2,3,4,2,3,4,5,3,4,5,6,1,2,3,4,2,3,4,5, 3,4,5,6,4,5,6,7,2,3,4,5,3,4,5,6,4,5,6,7,5,6,7,8,3, 4,5,6,4,5,6,7,5,6,7,8,6,7,8,9,1,2,3,4,2,3,4,5,3,4, 5,6,4,5,6,7,2,3,4,5,3,4,5,6,4,5,6,7,5,6,7,8,3,4,5, 6,4,5,6,7,5]