
4 steps
wm4547wm4547
signature
13→43
rule

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