C111112111133131121133133313331333133313331323221211113313113313331311113311   >>    C11111211113313112113313331333133313331333132322121111331311331333131111331   <<    C111112111133131121133133313331333133313331323221211113313113313331311113313   >>      C111112111133131121133133313331333133313331323221211113313113313331311113312   >>