
21 steps
wm9134wm9134
signature
23→43
rule

{{{1, 2, 1}, {3, 4, 5}} -> {{5, 5, 6}, {7, 5, 7}, {6, 1, 8}, {2, 8, 4}}}
{{{1, 2, 1}, {3, 4, 5}} -> {{5, 5, 6}, {7, 5, 7}, {6, 1, 8}, {2, 8, 4}}}