[0,1,2,3,4,5,8,6,7,9,10,13,11,12,20,21,19,14,15, 22,16,17,18,23,24,27,25,26,34,35,33,28,29,36,30, 31,32,54,55,57,58,59,53,56,51,37,38,52,41,39,40, 61,64,60,42,43,62,44,45,46,63,47,50,48,49,65,66, 69,67,68,76,77]