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