C111123313121111121111331333133313121111113223313331333132313331322221121211   >>    C11112331312111112111133133313331312111111322331333133313231333132222112121   <<    C111123313121111121111331333133313121111113223313331333132313331322221121213   >>      C111123313121111121111331333133313121111113223313331333132313331322221121212   >>