[1,3,2,6,5,4,9,8,7,10,14,12,11,15,13,20,18,16,21, 19,17,27,25,23,28,26,24,22,34,32,30,36,33,31,29, 35,43,40,38,45,42,39,37,44,41,53,50,47,55,52,49, 46,54,51,48,64,61,58,66,63,60,57,65,62,59,56,75, 72,69]