C111123313331323113313331333133313331323133112113313121211121
  >>
   C11112331333132311331333133313331333132313311211331312121112
  <<
   C111123313331323113313331333133313331323133112113313121211123
  >>
 
 
 C111123313331323113313331333133313331323133112113313121211122
  >>