C111112111133131121133133313331333133313331323133313331333133313113313233111111   >>    C11111211113313112113313331333133313331333132313331333133313331311331323311111   <<    C111112111133131121133133313331333133313331323133313331333133313113313233111113   >>      C111112111133131121133133313331333133313331323133313331333133313113313233111112   >>