![](assets/icon.png)
19 steps
wm2983wm2983
signature
13→23
rule
![](assets/rule.png)
{{{1, 1, 2}} -> {{1, 1, 2}, {1, 2, 3}}}
{{{1, 1, 2}} -> {{1, 1, 2}, {1, 2, 3}}}