C31231211113313121211113313331323133313231133133313331323222313232311   >>    C3123121111331312121111331333132313331323113313331333132322231323231   <<    C31231211113313121211113313331323133313231133133313331323222313232313   >>      C31231211113313121211113313331323133313231133133313331323222313232312   >>