C212212121212113313221323131323132313132322331323132233132322233331
  >>
   C21221212121211331322132313132313231313232233132313223313232223333
  <<
   C212212121212113313221323131323132313132322331323132233132322233333
  >>
 
 
 C212212121212113313221323131323132313132322331323132233132322233332
  >>