198 steps
wm2628wm2628
signature
23→33
rule
{{{1, 2, 1}, {2, 3, 4}} -> {{5, 2, 5}, {2, 1, 4}, {4, 3, 5}}}
{{{1, 2, 1}, {2, 3, 4}} -> {{5, 2, 5}, {2, 1, 4}, {4, 3, 5}}}
make editable copy
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