
50 steps
wm8874wm8874
signature
23→43
rule

{{{1, 2, 2}, {3, 4, 5}} -> {{6, 7, 7}, {6, 2, 1}, {7, 5, 3}, {8, 7, 9}}}
{{{1, 2, 2}, {3, 4, 5}} -> {{6, 7, 7}, {6, 2, 1}, {7, 5, 3}, {8, 7, 9}}}