
99 steps
wm8133wm8133
signature
23→43
rule

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