text: circleRadius = 20
  
  def onCircle(unit, radius):
      distance = hero.distanceTo(unit)
      inaccuracy = 2
      minDistance = radius - inaccuracy
      maxDistance = radius + inaccuracy
      return distance <= maxDistance and distance >= minDistance
  
  
  while True:
      soldiers = hero.findByType("soldier")
      for soldier in soldiers:
          if not onCircle(soldier, circleRadius):
              hero.say(soldier.id)
  