[0,4,1,6,2,7,3,8,5,10,9,11,12,13,21,14,22,15,23, 16,25,17,29,18,31,19,32,20,33,24,35,26,39,27,41, 28,42,30,43,34,45,36,49,37,51,38,52,40,53,44,55, 46,59,47,61,48,62,50,63,54,65,56,69,57,71,58,72]