![](assets/icon.png)
6 steps
wm9933wm9933
signature
13→33
rule
![](assets/rule.png)
{{{1, 2, 1}} -> {{1, 1, 1}, {3, 1, 3}, {2, 3, 3}}}
{{{1, 2, 1}} -> {{1, 1, 1}, {3, 1, 3}, {2, 3, 3}}}