to go. N D2 u* w9 e, R2 e: n
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] 9 R4 V" M5 f& {1 v l9 z& C3 D/ |$ K
[move-to one-of patches with [pcolor = red and not any? turtles-here]] $ ^+ B( r) z* J) ?" @[move-to one-of patches with [pcolor = blue and not any? turtles-here]]9 Q" a# Y' N, v& F
end