C31231211111133131211113313331333133313332233133313132313331323331311322331   >>    C3123121111113313121111331333133313331333223313331313231333132333131132233   <<    C31231211111133131211113313331333133313332233133313132313331323331311322333   >>      C31231211111133131211113313331333133313332233133313132313331323331311322332   >>