
99 steps
wm9519wm9519
signature
23→43
rule

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