
7 steps
wm7358wm7358
signature
13→43
rule

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