C111112111133131121133133313331333133313331323132313331333133313331333233232331   >>    C11111211113313112113313331333133313331333132313231333133313331333133323323233   <<    C111112111133131121133133313331333133313331323132313331333133313331333233232333   >>      C111112111133131121133133313331333133313331323132313331333133313331333233232332   >>