
6 steps
wm4837wm4837
signature
23→43
rule

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