C3123223313331322121111331333133313331333121211113313331322122331311   >>    C312322331333132212111133133313331333133312121111331333132212233131   <<    C3123223313331322121111331333133313331333121211113313331322122331313   >>      C3123223313331322121111331333133313331333121211113313331322122331312   >>