C31231211111133131211113313331333132233133313331333132333132313331331   >>    C3123121111113313121111331333133313223313331333133313233313231333133   <<    C31231211111133131211113313331333132233133313331333132333132313331333   >>      C31231211111133131211113313331333132233133313331333132333132313331332   >>