C21221212121211331322132313132313231313232233132322233311
  >>
   C2122121212121133132213231313231323131323223313232223331
  <<
   C21221212121211331322132313132313231313232233132322233313
  >>
 
 
 C21221212121211331322132313132313231313232233132322233312
  >>