198 steps wm2512wm2512 signature 23→33 rule {{{1, 2, 2}, {3, 2, 4}} -> {{5, 3, 3}, {5, 3, 4}, {1, 5, 3}}} {{{1, 2, 2}, {3, 2, 4}} -> {{5, 3, 3}, {5, 3, 4}, {1, 5, 3}}}