![](assets/icon.png)
3 steps
wm4463wm4463
signature
12→42
rule
![](assets/rule.png)
{{{1, 2}} -> {{2, 3}, {2, 4}, {3, 4}, {3, 1}}}
{{{1, 2}} -> {{2, 3}, {2, 4}, {3, 4}, {3, 1}}}