C312312111111331312111133133313331333121111331333133313331333132233132313331131   >>    C31231211111133131211113313331333133312111133133313331333133313223313231333113   <<    C312312111111331312111133133313331333121111331333133313331333132233132313331133   >>      C312312111111331312111133133313331333121111331333133313331333132233132313331132   >>