C2122121212132322331313132313232233132322331322223313132121
  >>
   C212212121213232233131313231323223313232233132222331313212
  <<
   C2122121212132322331313132313232233132322331322223313132123
  >>
 
 
 C2122121212132322331313132313232233132322331322223313132122
  >>