C31231211111133131211113313331333132213331312312111133132323221   >>    C3123121111113313121111331333133313221333131231211113313232322   <<    C31231211111133131211113313331333132213331312312111133132323223   >>      C31231211111133131211113313331333132213331312312111133132323222   >>