[0,1,2,3,4,5,6,2,3,4,5,6,7,8,4,5,6,7,8,9,10,6,7,8, 9,10,11,12,3,4,5,6,7,8,9,5,6,7,8,9,10,11,7,8,9,10, 11,12,13,4,5,6,7,8,9,10,6,7,8,9,10,11,12,8,9,10, 11,12,13,14,10,11,12,13,14,15,16,7]