[0,1,6,2,3,5,8,13,11,4,10,9,14,18,7,15,12,17,19, 16,20,21,26,22,23,25,28,33,31,24,30,29,34,38,27, 35,32,37,39,36,40,41,46,42,43,45,48,53,51,44,50, 49,54,58,47,55,52,57,59,56,60,61,66,62,63,65,68, 73,71,64,70,69,74]