C212212121212113313221323131323131323132322331323132233132333132313311213131
  >>
   C21221212121211331322132313132313132313232233132313223313233313231331121313
  <<
   C212212121212113313221323131323131323132322331323132233132333132313311213133
  >>
 
 
 C212212121212113313221323131323131323132322331323132233132333132313311213132
  >>