function save()
  f = fs.open("hochfest", "w")
  f.write(hochfest)
  f.close()
  f = fs.open("hoch", "w")
  f.write(hoch)
  f.close()
  f = fs.open("langfest", "w")
  f.write(langfest)
  f.close()
  f = fs.open("lang", "w")
  f.write(lang)
  f.close()
  f = fs.open("breitfest", "w")
  f.write(breitfest)
  f.close()
  f = fs.open("breit", "w")
  f.write(breit)
  f.close()
  f = fs.open("turn", "w")
  f.write(turn)
  f.close()
end

function laden()
    f = fs.open("hochfest", "r")
    hochfest = f.readAll()
    f.close()
    f = fs.open("hoch", "r")
    hoch = f.readAll()
    f.close()
    f = fs.open("langfest", "r")
    langfest = f.readAll()
    f.close()
    f = fs.open("lang", "r")
    lang = f.readAll()
    f.close()
    f = fs.open("breitfest", "r")
    breitfest = f.readAll()
    f.close()
    f = fs.open("breit", "r")
    breit = f.readAll()
    f.close()
    f = fs.open("turn", "r")
    turn = f.readAll()
    f.close()
end


function gerade()
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.digDown()
end

function turn1()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.digDown()
    turtle.turnRight()
end
function turn2()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.digDown()
    turtle.turnLeft()
end

function runter()
    turtle.turnRight()
    for i = 1,breitfest do
        turtle.forward()
    end
    turtle.turnRight()
    turtle.digDown()
    turtle.down()
    turtle.digDown()
    turtle.down()
end





term.clear()
term.setCursorPos(1,1)
if fs.exists("hochfest") and fs.exists("breitfest") and fs.exists("langfest") then

    laden()
    while hochfest - hoch > 0 do

        laden()
        sleep(0.5)
        while breitfest - breit > 0 do

            laden()
            sleep(0.5)
            while langfest - lang > 0 do
                laden()
                sleep(0.5)
                gerade()
                lang = lang + 1
                save()

            end
            sleep(0.5)
            lang = 0
            sleep(0.5)
            if turn == 1 then
                turn1()
                turn = 2
                save()
            else
                turn2()
                turn = 1
                breit = breit + 1
                save()
            end
        end
        breit = 0
        runter()
        hoch = hoch + 1
        save()
    end







else
    term.clear()
    term.setCursorPos(1,1)
    term.write("Wie Tief soll das loch sein?")
    hochfest = io.read()
    term.write("Wie Lang soll das Loch sein?")
    langfest = io.read()
    term.write("Wie Breit nach rechts soll das Loch sein?")
    breitfest = io.read()
    turn = 1
    breit = 0
    lang = 0
    hoch = 0
    save()
    os.reboot()

end