C1311213331333132332133313331333133313121111331333133313331333131122112331   >>    C131121333133313233213331333133313331312111133133313331333133313112211233   <<    C1311213331333132332133313331333133313121111331333133313331333131122112333   >>      C1311213331333132332133313331333133313121111331333133313331333131122112332   >>