![](assets/icon.png)
7 steps
wm1295wm1295
signature
13→23
rule
![](assets/rule.png)
{{{1, 2, 3}} -> {{1, 2, 4}, {2, 4, 3}}}
{{{1, 2, 3}} -> {{1, 2, 4}, {2, 4, 3}}}