C123211131133132233131323132313233313233313132313131323132313231323221121
  >>
   C12321113113313223313132313231323331323331313231313132313231323132322112
  <<
   C123211131133132233131323132313233313233313132313131323132313231323221123
  >>
 
 
 C123211131133132233131323132313233313233313132313131323132313231323221122
  >>