[1,2,3,4,7,6,5,8,9,10,17,16,11,14,13,12,15,18,19, 22,21,20,23,24,29,32,31,28,25,26,27,36,33,30,35, 40,41,34,37,38,43,42,39,48,47,54,51,44,45,50,55, 46,49,52,53,56,57,64,69,72,59,62,67,66,61,60,71, 68,63,58,73,70]