C111123313121111121111331333133313331333132232233133313211232333122311   >>    C11112331312111112111133133313331333133313223223313331321123233312231   <<    C111123313121111121111331333133313331333132232233133313211232333122313   >>      C111123313121111121111331333133313331333132232233133313211232333122312   >>