C111123313121111121111331333133313331333132232233132313223333231   >>    C11112331312111112111133133313331333133313223223313231322333323   <<    C111123313121111121111331333133313331333132232233132313223333233   >>      C111123313121111121111331333133313331333132232233132313223333232   >>