to go+ ~0 t5 U. k7 z. E1 c5 x$ h
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] : u( {' w. j! ?1 d+ F# |6 R* u; Z4 D% M3 x
[move-to one-of patches with [pcolor = red and not any? turtles-here]] . t2 _" m6 ^( t) V8 z7 r% F& t[move-to one-of patches with [pcolor = blue and not any? turtles-here]] 1 Z( } U4 O' w7 `end