to go% H2 W( X+ H7 H3 u
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] 5 g' N; `$ a3 n, ~6 x1 \' M5 n* I2 R) L8 x |, t
[move-to one-of patches with [pcolor = red and not any? turtles-here]]1 @6 }4 O! M. |# c! A( Y1 s
[move-to one-of patches with [pcolor = blue and not any? turtles-here]]! X X, `0 i, p; t3 Q
end