[1,3,2,4,5,6,9,7,12,8,11,10,14,13,15,19,18,17,16, 20,24,22,21,26,25,23,28,27,30,32,31,37,29,39,36, 33,35,42,34,45,38,40,44,43,41,48,47,52,51,49,46, 53,54,55,58,57,56,60,64,50,63,62,61,59,66,65,71, 70,69,67,72,68]