[0,1,7,6,5,4,12,13,14,15,8,9,10,11,21,20,23,22,17, 16,19,18,29,28,31,30,25,24,27,26,38,39,36,37,34, 35,32,33,46,47,44,45,42,43,40,41,54,55,52,53,50, 51,48,49,62,63,60,61,58,59,56,57,71,70,69,68,67, 66,65,64,79,78]