C111112111133131121133133313331333133313331322121133133313223131   >>    C11111211113313112113313331333133313331333132212113313331322313   <<    C111112111133131121133133313331333133313331322121133133313223133   >>      C111112111133131121133133313331333133313331322121133133313223132   >>