198 steps wm4156wm4156 signature 23→33 rule {{{1, 1, 2}, {3, 2, 4}} -> {{3, 3, 2}, {5, 2, 3}, {1, 4, 3}}} {{{1, 1, 2}, {3, 2, 4}} -> {{3, 3, 2}, {5, 2, 3}, {1, 4, 3}}}