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