
5 steps
wm7762wm7762
signature
13→33
rule

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