C13112133313331323321333133313331333133313331311331333121111132131232132321   >>    C1311213331333132332133313331333133313331333131133133312111113213123213232   <<    C13112133313331323321333133313331333133313331311331333121111132131232132323   >>      C13112133313331323321333133313331333133313331311331333121111132131232132322   >>