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