C111112111133131121133133313331333133313331323221211113311312111   >>    C11111211113313112113313331333133313331333132322121111331131211   <<    C111112111133131121133133313331333133313331323221211113311312113   >>      C111112111133131121133133313331333133313331323221211113311312112   >>