C111123313331323113313331333133313231333132313223313121311
  >>
   C11112331333132311331333133313331323133313231322331312131
  <<
   C111123313331323113313331333133313231333132313223313121313
  >>
 
 
 C111123313331323113313331333133313231333132313223313121312
  >>