|  | C3132121111331312113313331333133313331322121133133313231333133313331333132313331121121 
  >> |  | C313212111133131211331333133313331333132212113313331323133313331333133313231333112112 
  << |  | C3132121111331312113313331333133313331322121133133313231333133313331333132313331121123 
  >> |  |