C13112133313331323321333133313331333133313331333131133132233131131211   >>    C1311213331333132332133313331333133313331333133313113313223313113121   <<    C13112133313331323321333133313331333133313331333131133132233131131213   >>      C13112133313331323321333133313331333133313331333131133132233131131212   >>