 
                   36 steps
wm7391wm7391
               
                       signature
                   
                   23→33
                       rule
                   
                    
                       {{{1, 2, 3}, {2, 4, 5}} -> {{2, 3, 6}, {6, 3, 4}, {5, 2, 1}}}
{{{1, 2, 3}, {2, 4, 5}} -> {{2, 3, 6}, {6, 3, 4}, {5, 2, 1}}}