C111112111133131121133133313331333133313331323132313331333133313332233311   >>    C11111211113313112113313331333133313331333132313231333133313331333223331   <<    C111112111133131121133133313331333133313331323132313331333133313332233313   >>      C111112111133131121133133313331333133313331323132313331333133313332233312   >>