198 steps wm4635wm4635 signature 23→33 rule {{{1, 2, 2}, {1, 3, 4}} -> {{1, 4, 1}, {5, 4, 2}, {3, 5, 5}}} {{{1, 2, 2}, {1, 3, 4}} -> {{1, 4, 1}, {5, 4, 2}, {3, 5, 5}}}