10 1 2 3 4 5 6 7 8 9 -> 10
21 2 3 4 5 -> 6
310 9 8 7 6 5 4 3 2 1 0 -> -1
45 10 15 20 -> 25
53 6 9 12 15 18 21 24 27 -> 30
60
71
82
93
10