![](assets/icon.png)
5 steps
wm1527wm1527
signature
13→43
rule
![](assets/rule.png)
{{{1, 2, 1}} -> {{3, 4, 3}, {4, 2, 2}, {1, 4, 2}, {5, 4, 5}}}
{{{1, 2, 1}} -> {{3, 4, 3}, {4, 2, 2}, {1, 4, 2}, {5, 4, 5}}}