C111112111133131121133133313331311331333131323133313232233112331323223311   >>    C11111211113313112113313331333131133133313132313331323223311233132322331   <<    C111112111133131121133133313331311331333131323133313232233112331323223313   >>      C111112111133131121133133313331311331333131323133313232233112331323223312   >>