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