C111123313331323113313331323133313233313231312312121212121
  >>
   C11112331333132311331333132313331323331323131231212121212
  <<
   C111123313331323113313331323133313233313231312312121212123
  >>
 
 
 C111123313331323113313331323133313233313231312312121212122
  >>