sudoku 1.0.5-2build1 (i386 binary) in ubuntu xenial

 This sudoku puzzle generator/solver features:
  * character based (curses) interface;
  * cross-platform (Minix, Unix, Windows) with full source code (ANSI C);
  * generates hints upon request;
  * classification of board difficulty (very easy, easy, medium, hard or
    fiendish);
  * generation of new boards;
  * easy entry of boards published in newspapers, Internet, ...;
  * multiple output formats (text, csv, HTML, PostScript).