mine

write("13. Slot: Cobblestone\n")
write("14. Slot: Truhe\n")
write("15. Slot: Fackeln\n")
write("16. Slot: Kohle\n\n")

write("Laenge: ")
l = io.read()

write("Wiederholungen: ")
w = io.read()

local d = "Rechts"
local f = 0
local fa = 11
local z = 0

function vorne()
  while not turtle.forward() do
    turtle.dig()
  end
  turtle.digUp()
  sleep(0.5)
  turtle.digUp()
  turtle.select(13)
  turtle.placeDown()
end

function laenge()
  for i=1,l do
    vorne()
    fackel()
  end
end

function drehen()
  if d=="rechts" then
    turtle.turnRight()
    vorne()
    vorne()
    vorne()
    vorne()
    turtle.turnRight()
    d = "links"
  else
    turtle.turnLeft()
    vorne()
    vorne()
    vorne()
    vorne()
    turtle.turnLeft()
    d = "rechts"
  end
end

function fackel()
  if f>=fa then
    turtle.turnRight()
    turtle.turnRight()
    turtle.select(15)
    turtle.place()
    turtle.select(13)
    turtle.turnRight()
    turtle.turnRight()
    f = 0
  else
    f = f+1
  end
end

function voll()
  if turtle.getItemCount(12)>0 then
    turtle.turnLeft()
    turtle.dig()
    turtle.digUp()
    turtle.up()
    turtle.dig()
    turtle.down()
    turtle.select(14)
    turtle.place()
    for f = 1,12,1 do
      turtle.select(f)
      turtle.drop()
    end
    turtle.select(13)
    turtle.turnRight()
   end
end

function tanken()
  if turtle.getFuelLevel() == 0 then
    turtle.select(16)
    turtle.refuel(3)
    turtle.select(13)
  end
end


for s=1,w-1 do
  tanken()
  laenge()
  drehen()
  laenge()
  drehen()
  voll()
end