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