to go - D7 r% {* Q! Hask turtles [if any? patches with [pcolor = red and not any? turltes-here] * h# l; u, Q: @6 q) ]8 D3 s( ~3 L6 q0 n# n' @
[move-to one-of patches with [pcolor = red and not any? turtles-here]] * R% m! H/ e0 Q1 r. W3 a+ {; e% r[move-to one-of patches with [pcolor = blue and not any? turtles-here]] ! S& m* s. u7 a& iend