C1311213331333132332133313331333133313121111331333133313331311131331   >>    C131121333133313233213331333133313331312111133133313331333131113133   <<    C1311213331333132332133313331333133313121111331333133313331311131333   >>      C1311213331333132332133313331333133313121111331333133313331311131332   >>