C3123223313331322121111331333133313331333121211113313331311123333231   >>    C312322331333132212111133133313331333133312121111331333131112333323   <<    C3123223313331322121111331333133313331333121211113313331311123333233   >>      C3123223313331322121111331333133313331333121211113313331311123333232   >>