to go: `6 M8 \1 i7 ?% p
ask turtles [if any? patches with [pcolor = red and not any? turltes-here]. a0 b7 ^* `2 s% ~& u- u
- j/ P- e! s4 T[move-to one-of patches with [pcolor = red and not any? turtles-here]] : j; m1 {5 M0 o: K: b+ `/ _5 Y[move-to one-of patches with [pcolor = blue and not any? turtles-here]]# K @' Z+ R, w! p: W/ E- A D
end