22 steps
wm6742wm6742
signature
23→33
rule
{{{1, 2, 3}, {4, 3, 5}} -> {{6, 3, 7}, {6, 1, 2}, {3, 4, 1}}}
{{{1, 2, 3}, {4, 3, 5}} -> {{6, 3, 7}, {6, 1, 2}, {3, 4, 1}}}
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