[1,2,3,5,4,6,9,7,8,10,14,11,12,13,15,20,16,17,18, 19,21,27,22,23,24,25,26,28,35,29,30,31,32,33,34, 36,44,37,38,39,40,41,42,43,45,54,46,47,48,49,50, 51,52,53,55,65,56,57,58,59,60,61,62,63,64,66,77]