C3123223313331322121111331333133313331333121211113313221333133313111   >>    C312322331333132212111133133313331333133312121111331322133313331311   <<    C3123223313331322121111331333133313331333121211113313221333133313113   >>      C3123223313331322121111331333133313331333121211113313221333133313112   >>