C13112133313331323321333133313331333133313331311331323222311321   >>    C1311213331333132332133313331333133313331333131133132322231132   <<    C13112133313331323321333133313331333133313331311331323222311323   >>      C13112133313331323321333133313331333133313331311331323222311322   >>