to go2 Q. r% Z" [2 q/ j4 D0 ^7 m1 K
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] # [% n+ A: R! \, R0 A8 Y d" U2 j
[move-to one-of patches with [pcolor = red and not any? turtles-here]]) a0 g& b7 O8 z- v
[move-to one-of patches with [pcolor = blue and not any? turtles-here]] * d$ d% b7 u2 p& m. b$ B# c3 Uend