198 steps wm9225wm9225 signature 23→33 rule {{{1, 1, 1}, {1, 2, 3}} -> {{2, 2, 2}, {2, 4, 3}, {4, 1, 2}}} {{{1, 1, 1}, {1, 2, 3}} -> {{2, 2, 2}, {2, 4, 3}, {4, 1, 2}}}