![](assets/icon.png)
7 steps
wm1433wm1433
signature
22→42
rule
![](assets/rule.png)
{{{1, 2}, {1, 3}} -> {{2, 4}, {2, 4}, {2, 1}, {3, 4}}}
{{{1, 2}, {1, 3}} -> {{2, 4}, {2, 4}, {2, 1}, {3, 4}}}