C13112133313331323321333133313331333133313333121111331333132321332311   >>    C1311213331333132332133313331333133313331333312111133133313232133231   <<    C13112133313331323321333133313331333133313333121111331333132321332313   >>      C13112133313331323321333133313331333133313333121111331333132321332312   >>