C3123223313331322121111331333133313331333121211113311211331333112333321311   >>    C312322331333132212111133133313331333133312121111331121133133311233332131   <<    C3123223313331322121111331333133313331333121211113311211331333112333321313   >>      C3123223313331322121111331333133313331333121211113311211331333112333321312   >>