198 steps wm43891wm43891 signature 23→33 rule {{{1, 1, 1}, {1, 2, 3}} -> {{3, 3, 3}, {3, 4, 1}, {3, 4, 2}}} {{{1, 1, 1}, {1, 2, 3}} -> {{3, 3, 3}, {3, 4, 1}, {3, 4, 2}}}