C1311213331333132332133313331333133313331333133313331333133112132231   >>    C131121333133313233213331333133313331333133313331333133313311213223   <<    C1311213331333132332133313331333133313331333133313331333133112132233   >>      C1311213331333132332133313331333133313331333133313331333133112132232   >>