20 steps
wm5489wm5489
signature
23→33
rule
{{{1, 2, 3}, {3, 4, 5}} -> {{6, 5, 7}, {2, 7, 5}, {6, 4, 1}}}
{{{1, 2, 3}, {3, 4, 5}} -> {{6, 5, 7}, {2, 7, 5}, {6, 4, 1}}}
make editable copy
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