C31231211111133131211113313331333132312111113331333133313331313132333132233121   >>    C3123121111113313121111331333133313231211111333133313331333131313233313223312   <<    C31231211111133131211113313331333132312111113331333133313331313132333132233123   >>      C31231211111133131211113313331333132312111113331333133313331313132333132233122   >>