bruecke

function platz()
  for i=1,l do

    if turtle.getItemCount(s) == 0 then
      s=s+1
      turtle.select(s)
    end
    if s < 17 then
      turtle.forward()
      turtle.placeDown()
    end
  end
end -- function platz

print("laenge:")
l=read()
print("Zurueck = j")
z=read()
s=1
turtle.select(s)
platz()
turtle.turnLeft()
turtle.forward()
turtle.placeDown()
turtle.turnLeft()
platz()
turtle.up()
turtle.turnRight()
turtle.forward()
turtle.turnRight()
platz()
turtle.turnRight()
turtle.forward()
turtle.forward()
turtle.forward()
turtle.turnRight()
platz()
if z == "j" then
  turtle.turnRight()
  turtle.forward()
  turtle.down()
  turtle.turnRight()
  for i=1,l do
    turtle.forward()
  end
end