![](assets/icon.png)
5 steps
wm1277wm1277
signature
13→43
rule
![](assets/rule.png)
{{{1, 2, 2}} -> {{3, 1, 3}, {1, 3, 3}, {4, 1, 2}, {4, 2, 2}}}
{{{1, 2, 2}} -> {{3, 1, 3}, {1, 3, 3}, {4, 1, 2}, {4, 2, 2}}}