C21221212121211331322132313132313132313232233132313223313113313133112111
  >>
   C2122121212121133132213231313231313231323223313231322331311331313311211
  <<
   C21221212121211331322132313132313132313232233132313223313113313133112113
  >>
 
 
 C21221212121211331322132313132313132313232233132313223313113313133112112
  >>