to go6 ]% P/ B5 V, ~& o; B3 ]: W, Z
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] 0 L& g9 d$ [0 Z6 b9 q/ S5 Y, P- e: p' l/ z! W; N
[move-to one-of patches with [pcolor = red and not any? turtles-here]]- y/ V: R; d% f" v+ L& S* M% j. ~
[move-to one-of patches with [pcolor = blue and not any? turtles-here]] ; W1 P7 t7 y# P1 v5 kend