17 steps wm5529wm5529 signature 23→33 rule {{{1, 2, 3}, {2, 4, 5}} -> {{2, 3, 6}, {2, 5, 6}, {6, 4, 3}}} {{{1, 2, 3}, {2, 4, 5}} -> {{2, 3, 6}, {2, 5, 6}, {6, 4, 3}}}