39 steps wm46263wm46263 signature 1223→4243 rule {{{1, 2, 3}, {4, 5, 6}, {1, 4}} -> {{5, 7, 8}, {9, 3, 10}, {11, 12, 2}, {13, 14, 6}, {8, 13}, {11, 9}, {12, 7}, {14, 10}}} {{{1, 2, 3}, {4, 5, 6}, {1, 4}} -> {{5, 7, 8}, {9, 3, 10}, {11, 12, 2}, {13, 14, 6}, {8, 13}, {11, 9}, {12, 7}, {14, 10}}}