C111112111133131121133133313331333133313331322331311331333133313331323112132311   >>    C11111211113313112113313331333133313331333132233131133133313331333132311213231   <<    C111112111133131121133133313331333133313331322331311331333133313331323112132313   >>      C111112111133131121133133313331333133313331322331311331333133313331323112132312   >>