![](assets/icon.png)
7 steps
wm6143wm6143
signature
13→23
rule
![](assets/rule.png)
{{{1, 2, 3}} -> {{1, 4, 2}, {4, 3, 1}}}
{{{1, 2, 3}} -> {{1, 4, 2}, {4, 3, 1}}}