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