99 steps
wm8933wm8933
signature
23→43
rule
{{{1, 2, 1}, {3, 4, 5}} -> {{3, 5, 3}, {3, 6, 7}, {7, 1, 4}, {8, 9, 4}}}
{{{1, 2, 1}, {3, 4, 5}} -> {{3, 5, 3}, {3, 6, 7}, {7, 1, 4}, {8, 9, 4}}}
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