C1311213331333132332133313331333133313121111331333133313223313331111   >>    C131121333133313233213331333133313331312111133133313331322331333111   <<    C1311213331333132332133313331333133313121111331333133313223313331113   >>      C1311213331333132332133313331333133313121111331333133313223313331112   >>