math

+1

repeat digit, add another digit plus one:

1 => 12
7 => 78
6 => 67

together 176 = 127867

4 => 45
0 => 01
2 => 23

together 402 = 450123

8 => 89
3 => 34
3 => 34

together 833 = 893434

5 => 56
6 => 67
2 => 23

together the result 562 = 566723


Like 90

Solved 165