tunnel

--Init
local tArgs = {...}
local l = tonumber(tArgs[1])
local b = tonumber(tArgs[2])

if not l then l = 10 end
if not b then b = 3 end
turtle.select(1)
turtle.refuel()
turtle.select(2)

for laenge = 1,l,1 do
  turtle.turnLeft()
  for breite = 1,b,1 do
    if(turtle.detectDown()) then
      turtle.digDown()
    end
    turtle.placeDown()

    if(turtle.detect()) then
      turtle.dig()
    end
    print("Breite: "..breite.."/"..b)
    if (breite < b) then
      print("Not")
      turtle.forward()
    end
    print("")
  end

  --Reset
  for i = 1,b-1,1 do
    turtle.back()
  end
  turtle.turnRight()
  if(turtle.detect()) then turtle.dig() end
  turtle.forward()
end