198 steps wm9651wm9651 signature 23→33 rule {{{1, 1, 2}, {1, 3, 4}} -> {{4, 4, 5}, {4, 5, 3}, {2, 1, 5}}} {{{1, 1, 2}, {1, 3, 4}} -> {{4, 4, 5}, {4, 5, 3}, {2, 1, 5}}}