198 steps wm6212wm6212 signature 23→33 rule {{{1, 2, 2}, {2, 3, 4}} -> {{4, 3, 3}, {4, 1, 5}, {2, 4, 5}}} {{{1, 2, 2}, {2, 3, 4}} -> {{4, 3, 3}, {4, 1, 5}, {2, 4, 5}}}