C111123313331323113313331333133313331323133321232131123221
  >>
   C11112331333132311331333133313331333132313332123213112322
  <<
   C111123313331323113313331333133313331323133321232131123223
  >>
 
 
 C111123313331323113313331333133313331323133321232131123222
  >>