
4 steps
wm7894wm7894
signature
13→43
rule

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