C1111233133313231133133313331333133313231311223222111211
  >>
   C111123313331323113313331333133313331323131122322211121
  <<
   C1111233133313231133133313331333133313231311223222111213
  >>
 
 
 C1111233133313231133133313331333133313231311223222111212
  >>