198 steps wm9676wm9676 signature 23→33 rule {{{1, 1, 1}, {1, 2, 3}} -> {{3, 3, 3}, {3, 4, 1}, {2, 3, 4}}} {{{1, 1, 1}, {1, 2, 3}} -> {{3, 3, 3}, {3, 4, 1}, {2, 3, 4}}}