View difference between Paste ID: ubvVpJpY and ftvWbPwn

 local tArgs = { ... }
 if #tArgs ~= 1 then
  print("Usage: Hoehe <high>")
  return
 end
 
 -- Mine in a quarry pattern until we hit something we can`t dig
-local high = tonumber( tArgs[1] ) -13
+local high = tonumber( tArgs[1] )
  if high < 1 then
   print("Treppen hoehe must be positive")
   return
  end
 
 local depth = high
 local collected = 0
 local ll = 0
 
 print("Treppen in Fach 15 legen")
 print("Fackeln in Fach 14 legen")
 print("Steine in Fach 1 legen")
 print("Schritte bis Ebene 12 = ",high)
 print()
 print(" In 10 Sec geht es los")
 sleep(10)
 
 local function collect()
  collected = collected +1
   if math.fmod(collected, 25) == 0 then
    print("Mined "..collected.." items.")
   end
 end
 
 local function tryDig()
  while turtle.detect() do
   if turtle.dig() then
    collect()
    sleep(0.5)
   else
    return false
   end
  end
  return true
 end
 
 local function tryDigDown()
 	while turtle.detectDown() do
 		if turtle.digDown() then
 			collect()
 			sleep(0.5)
 		else
 			return false
 		end
 	end
 	return true
 end
 
 local function tryDigUp()
 	while turtle.detectUp() do
 		if turtle.digUp() then
 			collect()
 			sleep(0.5)
 		else
 			return false
 		end
 	end
 	return true
 end
 
 local function refuel()
 	local fuelLevel = turtle.getFuelLevel()
 	if fuelLevel == "unlimited" or fuelLevel > 0 then
 		return
 	end
 
 	local function tryRefuel()
 		for n=1,16 do
 			if turtle.getItemCount(n) > 0 then
 				turtle.select(n)
 				if turtle.refuel(1) then
 					turtle.select(1)
 					return true
 				end
 			end
 		end
 		turtle.select(1)
 		return false
 	end
 
 	if not tryRefuel() then
 		print( "Add more fuel to continue." )
 		while not tryRefuel() do
 			sleep(1)
 		end
 		print( "Resuming Tunnel." )
 	end
 end
 
 local function tryUp()
 	refuel()
 	while not turtle.up() do
 		if turtle.detectUp() then
 			if not tryDigUp() then
 				return false
 			end
 		elseif turtle.attackUp() then
 			collect()
 		else
 			sleep( 0.5 )
 		end
 	end
 	return true
 end
 
 local function tryDown()
 	refuel()
 	while not turtle.down() do
 		if turtle.detectDown() then
 			if not tryDigDown() then
 				return false
 			end
 		elseif turtle.attackDown() then
 			collect()
 		else
 			sleep( 0.5 )
 		end
 	end
 	return true
 end
 
 local function tryForward()
 	refuel()
 	while not turtle.forward() do
 		if turtle.detect() then
 			if not tryDig() then
 				return false
 			end
 		elseif turtle.attack() then
 			collect()
 		else
 			sleep( 0.5 )
 		end
 	end
 	return true
 end
 
 print( "Baue die Treppe...")
 
 tryDig()
 tryForward()
 ll=0
 
- tryDigUp()
+
- tryUp()
+	tryForward()
- tryDigUp()
+	tryUp()
- tryUp()
+	tryUp()
- tryDigUp()
+	tryUp()
- tryDown()
+	tryDown()
- tryDown()
+	tryDown()
- tryDigDown()
+ 	ll = ll +1
- tryDown()
+	if ll == 5 then
- if turtle.detectDown() == false then
+		turtle.turnRight()
-  turtle.select(1)
+		tryDig()
-  turtle.placeDown()
+		turtle.select(14)
 		turtle.place()
 		turtle.turnRight()
- if n<high then
+		turtle.turnRight()
-  tryDig()
+		tryDig()
-  if not tryForward() then
+		turtle.place()
-   print( "Aborting Tunnel." )
+ 		turtle.turnRight()
-   break
+		ll = 0
 	end
 end
-   print( "Tunnel complete." )
+if n<high then
 	tryDig()
 	if not tryForward() then
 		print( "Aborting Tunnel." )
-print( "Returning to start..." )
+
 else
--- Return to where we started
+	print( "Tunnel complete." )
 end
 
-tryDigUp()
+