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