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