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