
5 steps
wm8847wm8847
signature
13→33
rule

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