198 steps wm5471wm5471 signature 23→33 rule {{{1, 1, 2}, {2, 3, 4}} -> {{5, 5, 4}, {1, 5, 2}, {2, 5, 3}}} {{{1, 1, 2}, {2, 3, 4}} -> {{5, 5, 4}, {1, 5, 2}, {2, 5, 3}}}