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