# \#counting-paths

**URL:** https://swi-prolog.discourse.group/tag/counting-paths/128.md

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## [The number of paths of the rectangular grid graph 13 x 13](https://swi-prolog.discourse.group/t/the-number-of-paths-of-the-rectangular-grid-graph-13-x-13/5819)

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**Author:** [@kuniaki.mukai](https://swi-prolog.discourse.group/u/kuniaki.mukai)\
**Replies:** 10\
**Last updated:** [January 14, 2024, 4:02pm UTC](https://swi-prolog.discourse.group/t/the-number-of-paths-of-the-rectangular-grid-graph-13-x-13/5819 "2024-01-14T16:02:30Z")

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Running long my imac intell (not M1) with 128GB RAM, I got the number of paths of rectangular grid graph rect(12, 12) which has 13 x 13 = 169 nodes ?- call\_with\_time\_limit(360000, time((rect\_mate(rect(12,12), X, \[gc(al…