198 steps wm5437wm5437 signature 23→33 rule {{{1, 1, 2}, {3, 4, 1}} -> {{3, 3, 2}, {2, 3, 5}, {4, 5, 3}}} {{{1, 1, 2}, {3, 4, 1}} -> {{3, 3, 2}, {2, 3, 5}, {4, 5, 3}}}