C1111233133313231133133313331333133313231331133133313331311221123222121211
  >>
   C111123313331323113313331333133313331323133113313331333131122112322212121
  <<
   C1111233133313231133133313331333133313231331133133313331311221123222121213
  >>
 
 
 C1111233133313231133133313331333133313231331133133313331311221123222121212
  >>