198 steps wm2419wm2419 signature 23→33 rule {{{1, 1, 2}, {2, 3, 4}} -> {{5, 5, 4}, {5, 3, 1}, {2, 5, 1}}} {{{1, 1, 2}, {2, 3, 4}} -> {{5, 5, 4}, {5, 3, 1}, {2, 5, 1}}}