8 steps
wm5179wm5179
signature
22→42
rule
{{{1, 2}, {2, 3}} -> {{1, 4}, {1, 4}, {4, 3}, {3, 2}}}
{{{1, 2}, {2, 3}} -> {{1, 4}, {1, 4}, {4, 3}, {3, 2}}}
make editable copy
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