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