![](assets/icon.png)
7 steps
wm83678wm83678
signature
13→23
rule
![](assets/rule.png)
{{{1, 2, 3}} -> {{2, 4, 1}, {1, 4, 3}}}
{{{1, 2, 3}} -> {{2, 4, 1}, {1, 4, 3}}}