mining2

function mine(x)
  counter = 0
  repeat
    turtle.dig()
    moveForward(1)
    turtle.digUp()
    counter = counter + 1
  until counter == x
end

function turnAround()
  turtle.turnRight()
  turtle.turnRight()
end

function moveForward(x)
  for i = 1, x, 1 do
    if turtle.forward() then
      -- nichts passiert
    else
      if turtle.detect() then
        while(turtle.detect()) do
          turtle.dig()
        end
        moveForward(1)
      else
        os.shutdown()
      end
    end
  end
end

function placeTorch()
  turtle.up()
  turtle.select(2)
  turtle.back()
  turtle.place()
  turtle.down()
end

function stripMine(x)
  for i = 1, x, 1 do
    mine(3)
    turtle.turnRight()
    mine(8)
    placeTorch()
    turnAround()
    moveForward(7)
    mine(8)
    placeTorch()
    turnAround()
    moveForward(7)
    turtle.turnLeft()
  end
end

turtle.select(1)
turtle.refuel()
print("Wie viele Gänge sollen es werden?")
stripMine(tonumber(read()))