[0,0,1,0,1,3,2,0,2,1,4,5,3,0,1,8,2,4,9,7,3,6,5,0, 1,4,2,9,5,11,3,8,10,7,6,0,14,1,12,5,15,11,10,2,3, 7,13,4,9,6,8,0,1,13,2,16,14,6,3,8,17,12,15,5,7,11, 4,10,9,0,2,16,4,1,18,19,6,10,3,9,20,14,21,17,8,7, 12,15,5,13,11]