C13112133313331323321333133313331333133313331333133313211231223212323331   >>    C1311213331333132332133313331333133313331333133313331321123122321232333   <<    C13112133313331323321333133313331333133313331333133313211231223212323333   >>      C13112133313331323321333133313331333133313331333133313211231223212323332   >>