C1111233133313231133133313331333133313233311211112111221
  >>
   C111123313331323113313331333133313331323331121111211122
  <<
   C1111233133313231133133313331333133313233311211112111223
  >>
 
 
 C1111233133313231133133313331333133313233311211112111222
  >>