C212212121212113313221323131323131323132322331323132233131323331323332331
  >>
   C21221212121211331322132313132313132313232233132313223313132333132333233
  <<
   C212212121212113313221323131323131323132322331323132233131323331323332333
  >>
 
 
 C212212121212113313221323131323131323132322331323132233131323331323332332
  >>