C1311213331333132332133313331333133313331333131133132313112111213111   >>    C131121333133313233213331333133313331333133313113313231311211121311   <<    C1311213331333132332133313331333133313331333131133132313112111213113   >>      C1311213331333132332133313331333133313331333131133132313112111213112   >>