99 steps
wm5249wm5249
signature
23→43
rule
{{{1, 2, 3}, {3, 4, 5}} -> {{5, 6, 7}, {5, 4, 8}, {6, 1, 8}, {7, 2, 1}}}
{{{1, 2, 3}, {3, 4, 5}} -> {{5, 6, 7}, {5, 4, 8}, {6, 1, 8}, {7, 2, 1}}}
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