15 steps wm9693wm9693 signature 32→52 rule {{{1, 2}, {2, 3}, {4, 2}} -> {{5, 5}, {1, 5}, {1, 4}, {2, 1}, {3, 2}}} {{{1, 2}, {2, 3}, {4, 2}} -> {{5, 5}, {1, 5}, {1, 4}, {2, 1}, {3, 2}}}