![](assets/icon.png)
4 steps
wm7919wm7919
signature
13→33
rule
![](assets/rule.png)
{{{1, 2, 3}} -> {{4, 4, 1}, {2, 1, 2}, {3, 2, 1}}}
{{{1, 2, 3}} -> {{4, 4, 1}, {2, 1, 2}, {3, 2, 1}}}