198 steps wm6749wm6749 signature 23→33 rule {{{1, 1, 2}, {3, 2, 4}} -> {{5, 5, 4}, {5, 3, 2}, {1, 2, 3}}} {{{1, 1, 2}, {3, 2, 4}} -> {{5, 5, 4}, {5, 3, 2}, {1, 2, 3}}}