8 steps
wm4958wm4958
               
                       signature
                   
                   23→43
                       rule
                   
                   
                       {{{1, 2, 3}, {4, 3, 5}} -> {{1, 6, 1}, {6, 7, 4}, {6, 2, 8}, {7, 8, 5}}}
{{{1, 2, 3}, {4, 3, 5}} -> {{1, 6, 1}, {6, 7, 4}, {6, 2, 8}, {7, 8, 5}}}