![](assets/icon.png)
6 steps
wm5886wm5886
signature
22→42
rule
![](assets/rule.png)
{{{1, 2}, {2, 3}} -> {{2, 3}, {2, 4}, {3, 4}, {1, 2}}}
{{{1, 2}, {2, 3}} -> {{2, 3}, {2, 4}, {3, 4}, {1, 2}}}