175 steps
wm47295wm47295
signature
23→33
rule
{{{1, 2, 1}, {3, 4, 5}} -> {{6, 7, 6}, {7, 2, 3}, {4, 3, 7}}}
{{{1, 2, 1}, {3, 4, 5}} -> {{6, 7, 6}, {7, 2, 3}, {4, 3, 7}}}
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