C21221212121211331322132313132313231323223313211232313331121
  >>
   C2122121212121133132213231313231323132322331321123231333112
  <<
   C21221212121211331322132313132313231323223313211232313331123
  >>
 
 
 C21221212121211331322132313132313231323223313211232313331122
  >>