16 steps wm6942wm6942 signature 23→33 rule {{{1, 2, 3}, {4, 5, 3}} -> {{2, 6, 4}, {6, 1, 2}, {4, 2, 1}}} {{{1, 2, 3}, {4, 5, 3}} -> {{2, 6, 4}, {6, 1, 2}, {4, 2, 1}}}