platform

local n = 1

while true do
  turtle.select(n)
  turtle.placeDown()
  for i=1,64 do
    turtle.forward()
    turtle.placeDown()
  end
  turtle.placeDown()
  n = n + 1
  turtle.turnRight()
  turtle.forward()
  turtle.turnRight()

  if turtle.inspectDown() == true then
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnLeft()
  end
end