C3123223313331322121111331333133313331333121211113313121133131111   >>    C312322331333132212111133133313331333133312121111331312113313111   <<    C3123223313331322121111331333133313331333121211113313121133131113   >>      C3123223313331322121111331333133313331333121211113313121133131112   >>