13 steps wm2226wm2226 signature 23→33 rule {{{1, 2, 3}, {4, 3, 5}} -> {{2, 6, 5}, {6, 4, 5}, {1, 5, 4}}} {{{1, 2, 3}, {4, 3, 5}} -> {{2, 6, 5}, {6, 4, 5}, {1, 5, 4}}}