This files in this directory are in a format designed to be used by the
following programs:

 * Mirek and Petr Olšák's Nonogram Solver
   http://qnonograms.sourceforge.net/

 * Jan Wolter's pbnsolve (version 1.10 and later)
   http://webpbn.com/pbnsolve.html

A complex and flexible file format that supports multicolor puzzles and
triddlers.

It is documented only by comments inside the example files distributed with
the Olsak solver.