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