![](assets/icon.png)
6 steps
wm28897wm28897
signature
13→33
rule
![](assets/rule.png)
{{{1, 1, 2}} -> {{2, 2, 3}, {4, 3, 2}, {4, 4, 1}}}
{{{1, 1, 2}} -> {{2, 2, 3}, {4, 3, 2}, {4, 4, 1}}}