C111123313331323113313331333133313331323133112113313113313231132322221
  >>
   C11112331333132311331333133313331333132313311211331311331323113232222
  <<
   C111123313331323113313331333133313331323133112113313113313231132322223
  >>
 
 
 C111123313331323113313331333133313331323133112113313113313231132322222
  >>