C21221212121211331322132313132313132313232233132313223313231323222213231131
  >>
   C2122121212121133132213231313231313231323223313231322331323132322221323113
  <<
   C21221212121211331322132313132313132313232233132313223313231323222213231133
  >>
 
 
 C21221212121211331322132313132313132313232233132313223313231323222213231132
  >>