[1,3,2,5,4,6,5,9,8,10,9,12,11,13,12,17,16,18,17, 20,19,21,20,24,23,25,24,27,26,28,27,33,32,34,33, 36,35,37,36,40,39,41,40,43,42,44,43,48,47,49,48, 51,50,52,51,55,54,56,55,58,57,59,58,65,64,66,65, 68,67,69,68,72]