C312312111111331312111133133313331211111333133313331333133313331333132313232111   >>    C31231211111133131211113313331333121111133313331333133313331333133313231323211   <<    C312312111111331312111133133313331211111333133313331333133313331333132313232113   >>      C312312111111331312111133133313331211111333133313331333133313331333132313232112   >>