C111123313331323113313331333133313231333133313331323132231211
  >>
   C11112331333132311331333133313331323133313331333132313223121
  <<
   C111123313331323113313331333133313231333133313331323132231213
  >>
 
 
 C111123313331323113313331333133313231333133313331323132231212
  >>