C11112331312111112111133133313331333133313223223313112211232313232233211
  >>
   C1111233131211111211113313331333133313331322322331311221123231323223321
  <<
   C11112331312111112111133133313331333133313223223313112211232313232233213
  >>
 
 
 C11112331312111112111133133313331333133313223223313112211232313232233212
  >>