14 steps
wm8155wm8155
signature
12→2222→12
rule
{{{1, 1}} -> {{1, 1}, {2, 1}}, {{1, 2}, {3, 2}} -> {{1, 1}}}
{{{1, 1}} -> {{1, 1}, {2, 1}}, {{1, 2}, {3, 2}} -> {{1, 1}}}
make editable copy
download notebook
