C13112133313331323321333133313331333133313331333133313331333133313113323213221   >>    C1311213331333132332133313331333133313331333133313331333133313331311332321322   <<    C13112133313331323321333133313331333133313331333133313331333133313113323213223   >>      C13112133313331323321333133313331333133313331333133313331333133313113323213222   >>