C111112111133131121133133313331333121111112113121133133313223313231132231   >>    C11111211113313112113313331333133312111111211312113313331322331323113223   <<    C111112111133131121133133313331333121111112113121133133313223313231132233   >>      C111112111133131121133133313331333121111112113121133133313223313231132232   >>