![](assets/icon.png)
198 steps
wm9514wm9514
signature
23→33
rule
![](assets/rule.png)
{{{1, 2, 1}, {2, 3, 4}} -> {{5, 4, 5}, {5, 3, 1}, {2, 4, 1}}}
{{{1, 2, 1}, {2, 3, 4}} -> {{5, 4, 5}, {5, 3, 1}, {2, 4, 1}}}