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