C1311213331333132332133313331333133313331333312111133133313223313133323231   >>    C131121333133313233213331333133313331333133331211113313331322331313332323   <<    C1311213331333132332133313331333133313331333312111133133313223313133323233   >>      C1311213331333132332133313331333133313331333312111133133313223313133323232   >>