198 steps wm4273wm4273 signature 23→33 rule {{{1, 1, 2}, {3, 1, 4}} -> {{5, 5, 3}, {3, 3, 2}, {4, 1, 5}}} {{{1, 1, 2}, {3, 1, 4}} -> {{5, 5, 3}, {3, 3, 2}, {4, 1, 5}}}