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