C21221212121211331322132313132313331313232233132332333132313232111
  >>
   C2122121212121133132213231313231333131323223313233233313231323211
  <<
   C21221212121211331322132313132313331313232233132332333132313232113
  >>
 
 
 C21221212121211331322132313132313331313232233132332333132313232112
  >>