C31231211111133131211113313331333133313331323133313223313122331   >>    C3123121111113313121111331333133313331333132313331322331312233   <<    C31231211111133131211113313331333133313331323133313223313122333   >>      C31231211111133131211113313331333133313331323133313223313122332   >>