zone
  pos 0 0 0
  size 300 300 32
  flag GOOD BAD
end

zone
  pos 350 0 0
  size 50 300 32
  flag GOOD BAD
end

zone
  pos -350 0 0
  size 50 300 32
  flag GOOD BAD
end

zone
  pos 0 350 0
  size 300 50 32
  flag GOOD BAD
end

zone
  pos 0 -350 0
  size 300 50 32
  flag GOOD BAD
end