C3123223313331322121111331333133313331333121211113313331312133311111   >>    C312322331333132212111133133313331333133312121111331333131213331111   <<    C3123223313331322121111331333133313331333121211113313331312133311113   >>      C3123223313331322121111331333133313331333121211113313331312133311112   >>