34 steps wm8622wm8622 signature 23→43 rule {{{1, 2, 2}, {3, 4, 5}} -> {{2, 6, 6}, {2, 6, 7}, {7, 5, 1}, {4, 7, 1}}} {{{1, 2, 2}, {3, 4, 5}} -> {{2, 6, 6}, {2, 6, 7}, {7, 5, 1}, {4, 7, 1}}}