C111123313331323113313331333133313331323133113313331333131323211321
  >>
   C11112331333132311331333133313331333132313311331333133313132321132
  <<
   C111123313331323113313331333133313331323133113313331333131323211323
  >>
 
 
 C111123313331323113313331333133313331323133113313331333131323211322
  >>