198 steps wm4928wm4928 signature 23→33 rule {{{1, 1, 2}, {3, 4, 2}} -> {{5, 5, 3}, {5, 3, 2}, {1, 6, 5}}} {{{1, 1, 2}, {3, 4, 2}} -> {{5, 5, 3}, {5, 3, 2}, {1, 6, 5}}}