198 steps wm4617wm4617 signature 23→33 rule {{{1, 2, 3}, {4, 2, 5}} -> {{1, 6, 5}, {6, 2, 1}, {3, 4, 1}}} {{{1, 2, 3}, {4, 2, 5}} -> {{1, 6, 5}, {6, 2, 1}, {3, 4, 1}}}