to go8 x h1 F! N$ Y1 z+ Y
ask turtles [if any? patches with [pcolor = red and not any? turltes-here]6 b7 v: V9 [$ M# q( G Q b$ y
7 m# d& y1 z l0 ]) `+ a[move-to one-of patches with [pcolor = red and not any? turtles-here]]- ] \, |2 C2 [% n8 e3 ?
[move-to one-of patches with [pcolor = blue and not any? turtles-here]]9 q* s& d2 A4 U3 [/ _9 |; O6 M
end