C111123313331323113313331333133313331323133112113313232213123231
  >>
   C11112331333132311331333133313331333132313311211331323221312323
  <<
   C111123313331323113313331333133313331323133112113313232213123233
  >>
 
 
 C111123313331323113313331333133313331323133112113313232213123232
  >>