C31231211111133131211113313331333133112111133133313133313112223313331333223311   >>    C3123121111113313121111331333133313311211113313331313331311222331333133322331   <<    C31231211111133131211113313331333133112111133133313133313112223313331333223313   >>      C31231211111133131211113313331333133112111133133313133313112223313331333223312   >>