Auswahl = 1 + 0
function Blockcheck()
 if turtle.getItemCount(Auswahl) == 0 then
  Auswahl = Auswahl + 1
  turtle.select(Auswahl)
 end
end
while true do
	turtle.forward()
	Blockcheck()
	turtle.placeDown()
	turtle.turnRight()
	turtle.forward()
	Blockcheck()
	turtle.placeDown()
	turtle.forward()
	Blockcheck()
	turtle.placeDown()
	turtle.turnLeft()
	turtle.forward()
	Blockcheck()
	turtle.placeDown()
	turtle.turnLeft()
	turtle.forward()
	Blockcheck()
	turtle.placeDown()
	turtle.forward()
	Blockcheck()
	turtle.placeDown()
	turtle.turnRight()
end