C21221212121211331322132313132313132313232233132313223313231323133312331
  >>
   C2122121212121133132213231313231313231323223313231322331323132313331233
  <<
   C21221212121211331322132313132313132313232233132313223313231323133312333
  >>
 
 
 C21221212121211331322132313132313132313232233132313223313231323133312332
  >>