C111112111133131121133133313331333133313331323133313331323132332111   >>    C11111211113313112113313331333133313331333132313331333132313233211   <<    C111112111133131121133133313331333133313331323133313331323132332113   >>      C111112111133131121133133313331333133313331323133313331323132332112   >>