28 steps wm3949wm3949 signature 23→33 rule {{{1, 2, 3}, {4, 3, 5}} -> {{1, 1, 2}, {2, 6, 4}, {5, 6, 2}}} {{{1, 2, 3}, {4, 3, 5}} -> {{1, 1, 2}, {2, 6, 4}, {5, 6, 2}}}