C111112111133131121133133313331333133313331211312111133133313232223232132233321   >>    C11111211113313112113313331333133313331333121131211113313331323222323213223332   <<    C111112111133131121133133313331333133313331211312111133133313232223232132233323   >>      C111112111133131121133133313331333133313331211312111133133313232223232132233322   >>