C31231211111133131211113313331333132233133313331333132223133323311   >>    C3123121111113313121111331333133313223313331333133313222313332331   <<    C31231211111133131211113313331333132233133313331333132223133323313   >>      C31231211111133131211113313331333132233133313331333132223133323312   >>