198 steps wm6649wm6649 signature 23→33 rule {{{1, 1, 2}, {3, 4, 1}} -> {{1, 1, 4}, {5, 4, 2}, {5, 3, 1}}} {{{1, 1, 2}, {3, 4, 1}} -> {{1, 1, 4}, {5, 4, 2}, {5, 3, 1}}}