C21221212121211331322132313132313132313232233132313223313231333133313232333311
  >>
   C2122121212121133132213231313231313231323223313231322331323133313331323233331
  <<
   C21221212121211331322132313132313132313232233132313223313231333133313232333313
  >>
 
 
 C21221212121211331322132313132313132313232233132313223313231333133313232333312
  >>