198 steps wm7397wm7397 signature 23→33 rule {{{1, 1, 2}, {3, 2, 4}} -> {{3, 3, 1}, {1, 5, 3}, {4, 2, 5}}} {{{1, 1, 2}, {3, 2, 4}} -> {{3, 3, 1}, {1, 5, 3}, {4, 2, 5}}}