C111123313121111121111331333133313331323132333133313113313132232131211   >>    C11112331312111112111133133313331333132313233313331311331313223213121   <<    C111123313121111121111331333133313331323132333133313113313132232131213   >>      C111123313121111121111331333133313331323132333133313113313132232131212   >>