C111112111133131121133133313331333133313221333133313231333212231   >>    C11111211113313112113313331333133313331322133313331323133321223   <<    C111112111133131121133133313331333133313221333133313231333212233   >>      C111112111133131121133133313331333133313221333133313231333212232   >>