
7 steps
wm5251wm5251
signature
22→42
rule

{{{1, 2}, {1, 3}} -> {{2, 3}, {2, 4}, {3, 4}, {1, 4}}}
{{{1, 2}, {1, 3}} -> {{2, 3}, {2, 4}, {3, 4}, {1, 4}}}