C212212121212113313132333131311331323331323132233132313232332322231
  >>
   C21221212121211331313233313131133132333132313223313231323233232223
  <<
   C212212121212113313132333131311331323331323132233132313232332322233
  >>
 
 
 C212212121212113313132333131311331323331323132233132313232332322232
  >>