C3123121111121111131213331333133313331333133313332112323132333133313211212131   >>    C312312111112111113121333133313331333133313331333211232313233313331321121213   <<    C3123121111121111131213331333133313331333133313332112323132333133313211212133   >>      C3123121111121111131213331333133313331333133313332112323132333133313211212132   >>