![](assets/icon.png)
198 steps
wm21777wm21777
signature
23→33
rule
![](assets/rule.png)
{{{1, 2, 1}, {2, 3, 4}} -> {{5, 4, 5}, {4, 5, 2}, {4, 5, 3}}}
{{{1, 2, 1}, {2, 3, 4}} -> {{5, 4, 5}, {4, 5, 2}, {4, 5, 3}}}