to go" v" K% Q2 `6 u) B$ K
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] ' G. L; i) T Q. t2 |9 b6 s& W7 A4 T; r) \8 a& `5 Q
[move-to one-of patches with [pcolor = red and not any? turtles-here]] - m* A' n: |- V( g* J$ [/ s1 S. D[move-to one-of patches with [pcolor = blue and not any? turtles-here]]* O5 {( B3 E; V0 m% X
end