C1311213331333132332133313331333133313331333133313331333133112132333131   >>    C131121333133313233213331333133313331333133313331333133313311213233313   <<    C1311213331333132332133313331333133313331333133313331333133112132333133   >>      C1311213331333132332133313331333133313331333133313331333133112132333132   >>