to go7 x! C5 s1 q9 P; d: Q$ p P
ask turtles [if any? patches with [pcolor = red and not any? turltes-here]- e3 r6 f/ m* p
5 W( V L+ Y( i. D" s6 }[move-to one-of patches with [pcolor = red and not any? turtles-here]]& J4 N- p7 ^3 B. J! c. d" S
[move-to one-of patches with [pcolor = blue and not any? turtles-here]]; W% {* t, t& X% x
end