198 steps wm7367wm7367 signature 23→33 rule {{{1, 1, 2}, {1, 3, 4}} -> {{3, 3, 5}, {5, 2, 6}, {1, 2, 3}}} {{{1, 1, 2}, {1, 3, 4}} -> {{3, 3, 5}, {5, 2, 6}, {1, 2, 3}}}