198 steps wm4816wm4816 signature 23→33 rule {{{1, 2, 1}, {3, 2, 4}} -> {{4, 4, 5}, {2, 4, 2}, {1, 5, 3}}} {{{1, 2, 1}, {3, 2, 4}} -> {{4, 4, 5}, {2, 4, 2}, {1, 5, 3}}}