[0,1,2,3,4,1,2,3,4,5,2,3,4,5,6,3,4,5,6,7,4,5,6,7, 8,1,2,3,4,5,2,3,4,5,6,3,4,5,6,7,4,5,6,7,8,5,6,7,8, 9,2,3,4,5,6,3,4,5,6,7,4,5,6,7,8,5,6,7,8,9,6,7,8,9, 10,3,4,5,6,7,4,5,6,7,8,5,6,7,8,9,6,7,8,9,10,7,8,9, 10,11,4,5,6]