C13112133313331323321333133313331333133313331311331333132313331311111111   >>    C1311213331333132332133313331333133313331333131133133313231333131111111   <<    C13112133313331323321333133313331333133313331311331333132313331311111113   >>      C13112133313331323321333133313331333133313331311331333132313331311111112   >>