to go$ s. G% P- {+ l7 p
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] 3 i+ T0 ?; {! j: {+ G* p! u' K" M; l) L4 L- g# x, l4 C
[move-to one-of patches with [pcolor = red and not any? turtles-here]] ( Z5 O% {4 S6 E7 g; w/ m% z; v& b[move-to one-of patches with [pcolor = blue and not any? turtles-here]] ; d2 q) C4 ^) O4 p/ b; U4 yend