C21221212121211331313233313131133132333132313223313113313231322331322231
  >>
   C2122121212121133131323331313113313233313231322331311331323132233132223
  <<
   C21221212121211331313233313131133132333132313223313113313231322331322233
  >>
 
 
 C21221212121211331313233313131133132333132313223313113313231322331322232
  >>