198 steps wm4426wm4426 signature 23→33 rule {{{1, 2, 2}, {1, 3, 4}} -> {{1, 3, 3}, {1, 5, 3}, {2, 4, 5}}} {{{1, 2, 2}, {1, 3, 4}} -> {{1, 3, 3}, {1, 5, 3}, {2, 4, 5}}}