[0,1,0,3,2,1,4,7,6,5,0,11,10,9,12,15,14,13,8,3,18, 17,20,23,22,21,16,27,26,25,28,31,30,29,24,19,2,33, 36,39,38,37,32,43,42,41,44,47,46,45,40,35,50,49, 52,55,54,53,48,59,58,57,60,63,62,61,56,51,34,1,68, 71,70,69,64,75]