Elyasaf, Achiya, Yael Zaritsky, Ami Hauptman, and Moshe Sipper. “Evolving Solvers for FreeCell and the Sliding-Tile Puzzle”. Proceedings of the International Symposium on Combinatorial Search 2, no. 1 (July 15, 2011): 189–190. Accessed July 18, 2026. https://ojs.aaai.org/index.php/SOCS/article/view/18212.