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