62 steps
wm4786wm4786
signature
23→33
rule
{{{1, 2, 1}, {3, 4, 5}} -> {{6, 1, 6}, {6, 7, 8}, {1, 8, 3}}}
{{{1, 2, 1}, {3, 4, 5}} -> {{6, 1, 6}, {6, 7, 8}, {1, 8, 3}}}
make editable copy
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