For the checkio-iocheck test we ...
For the checkio-iocheck test we can have two optimals solutions:
10,12,02,10,12,02,10,12,01,21,20,12,12,12,02 (asked)
10,12,02,10,12,12,02,10,21,21,02,12,10,12,02 (find)
Why should I prefer the first one to the second one?