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