|  | C131121333133313233213331333133313331333133313331333133313331333131211111333132313331121311 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313121111133313231333112131 
  << |  | C131121333133313233213331333133313331333133313331333133313331333131211111333132313331121313 
  >> |  |