198 steps wm4493wm4493 signature 23→33 rule {{{1, 1, 2}, {1, 3, 4}} -> {{4, 4, 5}, {4, 5, 3}, {5, 4, 2}}} {{{1, 1, 2}, {1, 3, 4}} -> {{4, 4, 5}, {4, 5, 3}, {5, 4, 2}}}