5 steps wm4168wm4168 signature 22→52 rule {{{1, 2}, {2, 3}} -> {{4, 5}, {4, 5}, {1, 4}, {2, 4}, {3, 4}}} {{{1, 2}, {2, 3}} -> {{4, 5}, {4, 5}, {1, 4}, {2, 4}, {3, 4}}}