![](assets/icon.png)
19 steps
wm1529wm1529
signature
22→32
rule
![](assets/rule.png)
{{{1, 2}, {1, 3}} -> {{1, 2}, {2, 4}, {3, 2}}}
{{{1, 2}, {1, 3}} -> {{1, 2}, {2, 4}, {3, 2}}}