C1111233133313231133133313331333133313231323331312311211
  >>
   C111123313331323113313331333133313331323132333131231121
  <<
   C1111233133313231133133313331333133313231323331312311213
  >>
 
 
 C1111233133313231133133313331333133313231323331312311212
  >>