C13112133313331323321333133313331333133313333121111331333132221133131   >>    C1311213331333132332133313331333133313331333312111133133313222113313   <<    C13112133313331323321333133313331333133313333121111331333132221133133   >>      C13112133313331323321333133313331333133313333121111331333132221133132   >>