C13112133313331323321333133313331333131211113313331333133313331333132221123221   >>    C1311213331333132332133313331333133313121111331333133313331333133313222112322   <<    C13112133313331323321333133313331333131211113313331333133313331333132221123223   >>      C13112133313331323321333133313331333131211113313331333133313331333132221123222   >>