7 steps
wm6775wm6775
signature
13→43
rule
{{{1, 2, 2}} -> {{1, 1, 1}, {1, 3, 4}, {3, 2, 1}, {5, 4, 2}}}
{{{1, 2, 2}} -> {{1, 1, 1}, {1, 3, 4}, {3, 2, 1}, {5, 4, 2}}}
make editable copy
download notebook