C31231211111133131211113313331333133112111133133313331323221322233311   >>    C3123121111113313121111331333133313311211113313331333132322132223331   <<    C31231211111133131211113313331333133112111133133313331323221322233313   >>      C31231211111133131211113313331333133112111133133313331323221322233312   >>