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