50 steps wm5122wm5122 signature 23→43 rule {{{1, 2, 2}, {3, 4, 5}} -> {{5, 6, 6}, {7, 2, 5}, {8, 2, 6}, {2, 1, 3}}} {{{1, 2, 2}, {3, 4, 5}} -> {{5, 6, 6}, {7, 2, 5}, {8, 2, 6}, {2, 1, 3}}}