
 Algorithm::X - Solve exact cover problems, with several example applications

 Applies the usual D. Knuth's Algorithm X with dancing links technique (DLX, iteratively!), 
 to find all solutions to an exact cover problem.
 
 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
 
