198 steps
wm5544wm5544
signature
23→33
rule
{{{1, 1, 1}, {1, 2, 3}} -> {{2, 2, 2}, {4, 2, 2}, {1, 4, 3}}}
{{{1, 1, 1}, {1, 2, 3}} -> {{2, 2, 2}, {4, 2, 2}, {1, 4, 3}}}
make editable copy
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