10 steps wm4328wm4328 signature 22→52 rule {{{1, 1}, {2, 1}} -> {{2, 2}, {2, 3}, {2, 3}, {3, 1}, {4, 3}}} {{{1, 1}, {2, 1}} -> {{2, 2}, {2, 3}, {2, 3}, {3, 1}, {4, 3}}}