C212212121212113313132313112331313331323223313132132132322311
  >>
   C21221212121211331313231311233131333132322331313213213232231
  <<
   C212212121212113313132313112331313331323223313132132132322313
  >>
 
 
 C212212121212113313132313112331313331323223313132132132322312
  >>