C111112111133131121133133313331333133313331312111133133313232213311211   >>    C11111211113313112113313331333133313331333131211113313331323221331121   <<    C111112111133131121133133313331333133313331312111133133313232213311213   >>      C111112111133131121133133313331333133313331312111133133313232213311212   >>