![](assets/icon.png)
4 steps
wm1137wm1137
signature
13→43
rule
![](assets/rule.png)
{{{1, 1, 2}} -> {{2, 2, 2}, {2, 1, 2}, {1, 2, 3}, {3, 3, 1}}}
{{{1, 1, 2}} -> {{2, 2, 2}, {2, 1, 2}, {1, 2, 3}, {3, 3, 1}}}