C111112111133131121133133313331333133313331323221211113322132311   >>    C11111211113313112113313331333133313331333132322121111332213231   <<    C111112111133131121133133313331333133313331323221211113322132313   >>      C111112111133131121133133313331333133313331323221211113322132312   >>