Thank you for sharing. I will check it out. And no worries regarding the speed. The website is cheating the 20 puzzles are pre-compiled so to say, the actually

Thank you for sharing. I will check it out. And no worries regarding the speed. The website is cheating the 20 puzzles are pre-compiled so to say, the actually work was done in C++, the web server is just indexing an array of perfect puzzles at that point. TY!