C13112133313331323321333133313331333133313331333131121121131131   >>    C1311213331333132332133313331333133313331333133313112112113113   <<    C13112133313331323321333133313331333133313331333131121121131133   >>      C13112133313331323321333133313331333133313331333131121121131132   >>