12 + 50 = 6213 - 9 = 414 + 50 = 6415 - 9 = 616 + 50 = 6617 - 9 = 818 + 50 = 68
Получается:62, 4, 64, 6, 66, 8, 68
12 + 50 = 62
13 - 9 = 4
14 + 50 = 64
15 - 9 = 6
16 + 50 = 66
17 - 9 = 8
18 + 50 = 68
Получается:
62, 4, 64, 6, 66, 8, 68