C111112111133131121133133313331333133313331323133313331323223313331311331333111   >>    C11111211113313112113313331333133313331333132313331333132322331333131133133311   <<    C111112111133131121133133313331333133313331323133313331323223313331311331333113   >>      C111112111133131121133133313331333133313331323133313331323223313331311331333112   >>