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