14 steps
wm6457wm6457
signature
24→34
rule
{{{1, 2, 3, 4}, {5, 6, 4, 7}} -> {{1, 3, 2, 1}, {2, 3, 8, 4}, {9, 6, 4, 3}}}
{{{1, 2, 3, 4}, {5, 6, 4, 7}} -> {{1, 3, 2, 1}, {2, 3, 8, 4}, {9, 6, 4, 3}}}
make editable copy
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