to go0 z! c ~' ]0 T. O6 N& \! S3 _9 r
ask turtles [if any? patches with [pcolor = red and not any? turltes-here] - Z. ~3 ]3 W# Z) m# k0 S( q1 j% b, E% t! T7 i, r" S$ n5 Y8 F6 K
[move-to one-of patches with [pcolor = red and not any? turtles-here]]% z7 C. m5 |! z% f- A5 E
[move-to one-of patches with [pcolor = blue and not any? turtles-here]] & Z4 b" ?0 k# D. P3 Wend