to go* t& }- U o( u* o# ^) x
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] . e4 N& A4 M2 F$ f! F7 i8 H" N8 b 0 T/ E5 A$ E% V[move-to one-of patches with [pcolor = red and not any? turtles-here]]' A# r' n$ P/ h! L/ g( K2 C
[move-to one-of patches with [pcolor = blue and not any? turtles-here]]( [% }+ S) L {6 l# o
end