C31231211111133131211113313331333133313332233132313331323323132333133313223311   >>    C3123121111113313121111331333133313331333223313231333132332313233313331322331   <<    C31231211111133131211113313331333133313332233132313331323323132333133313223313   >>      C31231211111133131211113313331333133313332233132313331323323132333133313223312   >>