C111112111133131121133133313331311331333132223133313331323132213111   >>    C11111211113313112113313331333131133133313222313331333132313221311   <<    C111112111133131121133133313331311331333132223133313331323132213113   >>      C111112111133131121133133313331311331333132223133313331323132213112   >>