C11112233213331323123231323131323132313232233132313112113313232111311
  >>
   C1111223321333132312323132313132313231323223313231311211331323211131
  <<
   C11112233213331323123231323131323132313232233132313112113313232111313
  >>
 
 
 C11112233213331323123231323131323132313232233132313112113313232111312
  >>