Mine

term.clear()
term.setCursorPos(1,1)
print(
"----------------- Einstellungen -------------------")
print()
textutils.slowWrite("Anzahl der Seitengaenge? : ")

a = io.read()

print()
textutils.slowWrite("Weite der Seitengaenge   : ")

b = io.read()

print()
print("Bitte lege 64 Fackeln in den unteren,rechten Slot der Turtle.")
print(
"---------------------------------------------------")

c = 0

d = 0

function AbbV()

    while turtle.detect() do
          turtle.dig()
          sleep(0.5)
    end

end


function AbbO()

    while turtle.detectUp() do
          turtle.digUp()
          sleep(0.5)
    end

end

function lava()

    if turtle.detect() then
    else
       turtle.select(1)
       turtle.placeDown()

    end

end


function abb()

    AbbV()
    turtle.forward()
    lava()
    AbbO()

end


function sgw()

    while c <= b do

          abb()
          c = c + 1

    end

end


function mg()

    while d <= a do

          abb()
          abb()
          turtle.turnRight()
          sgw()
          turtle.turnRight()
          turtle.turnRight()
          sgw()
          sgw()
          turtle.turnRight()
          turtle.turnRight()
          sgw()
          turtle.turnLeft()

          d = d + 1

    end

end

mg()

print("Fertig")