C31231211111133131211113313331333132233131211111211113313113313231333132232231   >>    C3123121111113313121111331333133313223313121111121111331311331323133313223223   <<    C31231211111133131211113313331333132233131211111211113313113313231333132232233   >>      C31231211111133131211113313331333132233131211111211113313113313231333132232232   >>