Diego Parra

https://play.golang.org/p/_CxdXZyM5hP

https://play.golang.org/p/5ImpADhNsW7

https://play.golang.org/p/XptbmJjUz-k

https://play.golang.org/p/7ukbORRgxS1

https://play.golang.org/p/fJ6-xsy9nKK

https://play.golang.org/p/7oiWZLQydBP

Rodei algumas vezes e realmente mudou a ordem. https://play.golang.org/p/O3xDFRqwZ83

https://play.golang.org/p/0ASFo9FMhwG

Solução: https://play.golang.org/p/A6S1em2paDD

solução: https://play.golang.org/p/DE9KugzYlxP