C11112233213331323123231323131323132313232233132313112121121
  >>
   C1111223321333132312323132313132313231323223313231311212112
  <<
   C11112233213331323123231323131323132313232233132313112121123
  >>
 
 
 C11112233213331323123231323131323132313232233132313112121122
  >>