<div id="comment:0"></div> ``` sage: Permutations(avoiding=[[1,3,2]]) Standard permutations ``` We simply implement an appropriate class. Now ``` [1,3,2] in Permutations(avoiding=[1,3,2]) ``` works as expected. Depends on #26809 Component: **combinatorics** Author: **Martin Rubey** Branch/Commit: **[`c9f3018`](https://github.com/sagemath/sagetrac-mirror/commit/c9f30186f555e902645dbd47a43a87d6fee9e3dc)** Reviewer: **Daniel Krenn, Travis Scrimshaw** _Issue created by migration from https://trac.sagemath.org/ticket/26810_