198 steps
wm6326wm6326
signature
23→33
rule
{{{1, 2, 1}, {3, 2, 4}} -> {{4, 5, 4}, {5, 2, 4}, {5, 1, 5}}}
{{{1, 2, 1}, {3, 2, 4}} -> {{4, 5, 4}, {5, 2, 4}, {5, 1, 5}}}
make editable copy
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