99 steps
wm7775wm7775
signature
23→43
rule
{{{1, 2, 2}, {3, 4, 5}} -> {{6, 1, 1}, {4, 6, 1}, {2, 7, 6}, {3, 8, 5}}}
{{{1, 2, 2}, {3, 4, 5}} -> {{6, 1, 1}, {4, 6, 1}, {2, 7, 6}, {3, 8, 5}}}
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