to go& s- h9 m0 a. b1 B
ask turtles [if any? patches with [pcolor = red and not any? turltes-here]; t( K4 ?: {6 N6 e; m) Z
$ }! W& N/ \' n0 ?" j5 K) c
[move-to one-of patches with [pcolor = red and not any? turtles-here]] 4 ^1 n/ y+ P, H9 x9 l6 i' q0 m[move-to one-of patches with [pcolor = blue and not any? turtles-here]]0 |0 z. I9 \% ~" O/ _
end