198 steps
wm5673wm5673
signature
23→33
rule
{{{1, 2, 1}, {2, 3, 4}} -> {{5, 4, 5}, {5, 2, 1}, {4, 3, 1}}}
{{{1, 2, 1}, {2, 3, 4}} -> {{5, 4, 5}, {5, 2, 1}, {4, 3, 1}}}
make editable copy
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