C31211133313113313132333132313311231323132322331323131123313221221
  >>
   C3121113331311331313233313231331123132313232233132313112331322122
  <<
   C31211133313113313132333132313311231323132322331323131123313221223
  >>
 
 
 C31211133313113313132333132313311231323132322331323131123313221222
  >>