C212212121212113313132333131311331323331323132233131133132313223313221231
  >>
   C21221212121211331313233313131133132333132313223313113313231322331322123
  <<
   C212212121212113313132333131311331323331323132233131133132313223313221233
  >>
 
 
 C212212121212113313132333131311331323331323132233131133132313223313221232
  >>