C1311213331333132332133313331333133313121111331333133313233313331121   >>    C131121333133313233213331333133313331312111133133313331323331333112   <<    C1311213331333132332133313331333133313121111331333133313233313331123   >>      C1311213331333132332133313331333133313121111331333133313233313331122   >>