C21221212121211331322132313132313132313232233132313223313132333132322331323211
  >>
   C2122121212121133132213231313231313231323223313231322331313233313232233132321
  <<
   C21221212121211331322132313132313132313232233132313223313132333132322331323213
  >>
 
 
 C21221212121211331322132313132313132313232233132313223313132333132322331323212
  >>