
9 steps
wm7279wm7279
signature
22→42
rule

{{{1, 2}, {2, 3}} -> {{3, 4}, {3, 4}, {3, 1}, {1, 4}}}
{{{1, 2}, {2, 3}} -> {{3, 4}, {3, 4}, {3, 1}, {1, 4}}}