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