34 steps
wm4148wm4148
signature
23→43
rule
{{{1, 2, 1}, {3, 4, 5}} -> {{6, 7, 6}, {7, 8, 1}, {1, 7, 2}, {5, 7, 3}}}
{{{1, 2, 1}, {3, 4, 5}} -> {{6, 7, 6}, {7, 8, 1}, {1, 7, 2}, {5, 7, 3}}}
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