[0,1,2,3,4,6,5,8,7,9,11,14,16,19,10,15,13,21,22, 12,20,17,18,23,25,28,30,33,37,39,42,44,47,51,53, 56,60,24,29,38,43,52,27,41,35,58,59,36,62,63,64, 26,40,34,57,61,31,54,45,46,32,55,48,49,50,65,67, 70,72,75,79,81]