
6 steps
wm6884wm6884
signature
23→43
rule

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