12 steps wm4544wm4544 signature 23→33 rule {{{1, 2, 3}, {2, 4, 5}} -> {{2, 4, 3}, {4, 5, 3}, {5, 1, 6}}} {{{1, 2, 3}, {2, 4, 5}} -> {{2, 4, 3}, {4, 5, 3}, {5, 1, 6}}}