Algorithm::DLX - solve exact cover problems

 Applies the usual D. Knuth's Algorithm X, implemented with the dancing links technique, to find all solutions 
 for an exact cover problem, as is typically encountered in certain game-related puzzles.
 
 https://en.wikipedia.org/wiki/Knuth%27s_Algorithm_X

 DISCLAIMER: 
 This distribution is a translation of the cpp sources at 
    https://github.com/jlaire/dlx-cpp
 into Perl.
    Johannes Laire is the original author of all these libs, alltogether with their comprehensive examples and tests.
 
 Steffen Heinrich, Feb. 2025