C31232233133313221211113313331333133313331212111133132212113311311   >>    C3123223313331322121111331333133313331333121211113313221211331131   <<    C31232233133313221211113313331333133313331212111133132212113311313   >>      C31232233133313221211113313331333133313331212111133132212113311312   >>