198 steps wm2473wm2473 signature 23→33 rule {{{1, 1, 2}, {2, 3, 4}} -> {{4, 4, 3}, {3, 4, 5}, {4, 1, 5}}} {{{1, 1, 2}, {2, 3, 4}} -> {{4, 4, 3}, {3, 4, 5}, {4, 1, 5}}}