C13112133313331323321333133313331333133313333121111331333132233131133221   >>    C1311213331333132332133313331333133313331333312111133133313223313113322   <<    C13112133313331323321333133313331333133313333121111331333132233131133223   >>      C13112133313331323321333133313331333133313333121111331333132233131133222   >>