C31231211113313121211113313331323133313331333133313332233132333231   >>    C3123121111331312121111331333132313331333133313331333223313233323   <<    C31231211113313121211113313331323133313331333133313332233132333233   >>      C31231211113313121211113313331323133313331333133313332233132333232   >>