C11112233213331323123231323131323132313232233132313331122112313221
  >>
   C1111223321333132312323132313132313231323223313231333112211231322
  <<
   C11112233213331323123231323131323132313232233132313331122112313223
  >>
 
 
 C11112233213331323123231323131323132313232233132313331122112313222
  >>