[0,1,0,3,4,5,1,7,8,9,0,11,12,13,3,15,16,17,4,19, 20,21,5,23,24,25,1,27,28,29,7,31,32,33,8,35,36,37, 9,39,40,41,0,43,44,45,11,47,48,49,12,51,52,53,13, 55,56,57,3,59,60,61,15,63,64,65,16,67,68,69,17,71, 72,73]