Platform bauen

local function refuel()
    local fuelLevel = turtle.getFuelLevel()
    if fuelLevel == "unlimited" or fuelLevel > 0 then
        return
    end

    local function tryRefuel()
        for n=1,16 do
            if turtle.getItemCount(n) > 0 then
                turtle.select(n)
                if turtle.refuel(1) then
                    turtle.select(1)
                    return true
                end
            end
        end
        turtle.select(1)
        return false
    end

    if not tryRefuel() then
        print( "Add more fuel to continue." )
        while not tryRefuel() do
            sleep(1)
        end
        print( "Resuming Tunnel." )
    end
end
turtle.up()
for 1=1,7 do
 refuel()
 for u=1,7 do
  turtle.placeDown()
  turtle.forward()
 end
 for y=1,7 do
  turtle.back()
 end
 turtle.turnRight()
 turtle.forward()
 turtle.turnLeft()
end