C212212121213232233131313231323223313233313232213132323221
  >>
   C21221212121323223313131323132322331323331323221313232322
  <<
   C212212121213232233131313231323223313233313232213132323223
  >>
 
 
 C212212121213232233131313231323223313233313232213132323222
  >>