Wow, this really is good I started it and skimmed the rest of it the first 34 pages are explanations and algorithms of dancing links and the rest of the 130 pag

Wow, this really is good I started it and skimmed the rest of it the first 34 pages are explanations and algorithms of dancing links and the rest of the 130 pages is all exercises and answers to those exercises. Truly awesome, thanks again for the link.