C1311213331333132332133313331333133313331333133313331333131211111121231   >>    C131121333133313233213331333133313331333133313331333133313121111112123   <<    C1311213331333132332133313331333133313331333133313331333131211111121233   >>      C1311213331333132332133313331333133313331333133313331333131211111121232   >>