
20 steps
wm9971wm9971
signature
23→33
rule

{{{1, 2, 3}, {1, 4, 5}} -> {{2, 1, 6}, {6, 4, 7}, {5, 3, 4}}}
{{{1, 2, 3}, {1, 4, 5}} -> {{2, 1, 6}, {6, 4, 7}, {5, 3, 4}}}