C31231211113313121211113313331333133313331213331323133313221323223313331132311   >>    C3123121111331312121111331333133313331333121333132313331322132322331333113231   <<    C31231211113313121211113313331333133313331213331323133313221323223313331132313   >>      C31231211113313121211113313331333133313331213331323133313221323223313331132312   >>