198 steps wm7254wm7254 signature 23→33 rule {{{1, 1, 2}, {3, 4, 1}} -> {{3, 3, 5}, {5, 4, 3}, {2, 5, 5}}} {{{1, 1, 2}, {3, 4, 1}} -> {{3, 3, 5}, {5, 4, 3}, {2, 5, 5}}}