![](assets/icon.png)
198 steps
wm8148wm8148
signature
22→32
rule
![](assets/rule.png)
{{{1, 2}, {3, 2}} -> {{1, 4}, {2, 4}, {3, 4}}}
{{{1, 2}, {3, 2}} -> {{1, 4}, {2, 4}, {3, 4}}}