[0,0,1,0,2,3,1,0,4,5,6,7,2,3,1,0,8,9,10,11,12,13,14,15,4,5,6,7,2,3,1,0,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,8,9,10,11,12,13,14,15,4,5,6,7,2,3,1,0,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49]