101 steps wm6721wm6721 signature 23→33 rule {{{1, 1, 2}, {3, 2, 4}} -> {{5, 5, 3}, {3, 1, 5}, {4, 2, 4}}} {{{1, 1, 2}, {3, 2, 4}} -> {{5, 5, 3}, {3, 1, 5}, {4, 2, 4}}}