[0,1,3,2,4,6,5,7,10,8,11,9,12,15,13,16,14,17,21, 18,22,19,23,20,24,28,25,29,26,30,27,31,36,32,37, 33,38,34,39,35,40,45,41,46,42,47,43,48,44,49,55, 50,56,51,57,52,58,53,59,54,60,66,61,67,62,68,63, 69,64,70,65,71,78]