![](assets/icon.png)
6 steps
wm3656wm3656
signature
13→43
rule
![](assets/rule.png)
{{{1, 2, 2}} -> {{2, 2, 2}, {3, 3, 2}, {3, 1, 1}, {1, 2, 3}}}
{{{1, 2, 2}} -> {{2, 2, 2}, {3, 3, 2}, {3, 1, 1}, {1, 2, 3}}}