Rule:SymmetricSolver

@RULE SymmetricSolver

https://conwaylife.com/forums/viewtopic.php?p=57179#p57250

0 vacuum 1 wall 2 fill 3 reject @TREE

num_states=4 num_neighbors=4 num_nodes=25 1 0 1 2 3 1 2 1 2 3 2 0 0 1 0 2 1 1 0 0 2 0 0 0 0 3 2 2 3 4 3 3 3 4 4 3 4 4 4 4 4 5 5 6 7 1 3 1 2 3 2 0 0 9 0 1 3 1 3 3 2 1 9 9 11 2 0 0 11 0 3 2 10 12 13 2 0 9 0 0 2 0 11 0 11 3 3 12 15 16 3 4 13 16 13 4 5 14 17 18 3 4 15 4 4 3 4 16 4 16 4 6 17 20 21 4 7 18 21 18 5 8 19 22 23

@TABLE n_states:4 neighborhood:vonNeumann symmetries:permute var a = {0,1} var b = a var f = {1,3} var g = f var h = g

1. fill path

0,2,a,b,0,2

1. reject dead end

0,2,f,g,h,3 2,2,f,g,3,3

1. reject loop

0,1,1,2,2,3 @COLORS 1 130 130 130 2 0 170 0 3 170 0 0