C111112111133131121133133313331333133313331323133313331331121111331333221111   >>    C11111211113313112113313331333133313331333132313331333133112111133133322111   <<    C111112111133131121133133313331333133313331323133313331331121111331333221113   >>      C111112111133131121133133313331333133313331323133313331331121111331333221112   >>