As I recall, Paaslow was developed after this and did quite well: https://webdocs.cs.ualberta.ca/~jonathan/publications/ai_publications/solving.pdf https://webd

As I recall, Paaslow was developed after this and did quite well: https://webdocs.cs.ualberta.ca/~jonathan/publications/ai_publications/solving.pdf https://webdocs.cs.ualberta.ca/~jonathan/publications/ai_pub... and https://academicworks.cuny.edu/cgi/viewcontent.cgi?article=1181&context=gc_pubs https://academicworks.cuny.edu/cgi/viewcontent.cgi?article=1... Problem now is it was, as I recall, 360 assembler which presents sort of a porting problem.