C1311213331333132332133313331333133313331333132313331311223312111133132312311   >>    C131121333133313233213331333133313331333133313231333131122331211113313231231   <<    C1311213331333132332133313331333133313331333132313331311223312111133132312313   >>      C1311213331333132332133313331333133313331333132313331311223312111133132312312   >>