C3123223313331322121111331333133313331333121211113313221121131311   >>    C312322331333132212111133133313331333133312121111331322112113131   <<    C3123223313331322121111331333133313331333121211113313221121131313   >>      C3123223313331322121111331333133313331333121211113313221121131312   >>