to go2 N+ D; J! R0 I. o* E: R. w6 S+ H
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] ' r+ O1 @8 v! {' t! z! v% b8 A- X. B) ]1 X. [! N/ z
[move-to one-of patches with [pcolor = red and not any? turtles-here]]) S9 h1 \4 m' a6 P
[move-to one-of patches with [pcolor = blue and not any? turtles-here]]8 Z/ M3 J. f7 O! h$ d y! L _
end