feat: 22th day, Ruby
feat: 22th day, Ruby

Bugfry/exercism,Bugfry/exercises,Bugfry/exercism,Bugfry/exercises,Bugfry/exercises,Bugfry/exercises,Bugfry/exercises,Bugfry/exercises,Bugfry/exercism,Bugfry/exercism,Bugfry/exercism,Bugfry/exercism