C111123313121111121111331333133313331331121111133313331333133313231322333123231   >>    C11112331312111112111133133313331333133112111113331333133313331323132233312323   <<    C111123313121111121111331333133313331331121111133313331333133313231322333123233   >>      C111123313121111121111331333133313331331121111133313331333133313231322333123232   >>