15 steps wm6663wm6663 signature 23→33 rule {{{1, 2, 3}, {4, 5, 3}} -> {{2, 6, 3}, {2, 6, 4}, {1, 5, 2}}} {{{1, 2, 3}, {4, 5, 3}} -> {{2, 6, 3}, {2, 6, 4}, {1, 5, 2}}}