View difference between Paste ID: 5NNztFvW and 4LaDP7xK

 -- pastebin get 5NNztFvW startup
 --   _____
 --  |  ___|   _ _ __   ___
 --  | |_ | | | | '_ \ / __|
 --  |  _|| |_| | | | | (__
 --  |_|   \__,_|_| |_|\___|
 --
 
 left = function()
 	return turtle.turnLeft()
 end
 
 right = function()
 	return turtle.turnRight()
 end
 
 fuel = function()
 	return turtle.getFuelLevel()
 end
 
 select = function(id)
 	return turtle.select(id)
 end
 
 count = function(id)
 	return turtle.getItemCount(id)
 end
 
 move = function(id, nb)
 	return turtle.transferTo(id, nb)
 end
 
 --   _____
 --  |  ___|   _ _ __   ___
 --  | |_ | | | | '_ \ / __|
 --  |  _|| |_| | | | | (__
 --  |_|   \__,_|_| |_|\___|
 --
 
 function init()
 	if(count(16) == 0)then
 		print("Pas de livre dans le slot 16")
 		--return false
 	end
 
 	return true
 end
 function clear_inventory()
 	for i = 1,15 do
 		if(count(i)>0)then
 			turtle.select(i)
 			turtle.dropDown()
 		end
 	end
 	select(1)
 end
 
 --  __  __       _        ____
 -- |  \/  | __ _(_)_ __  / /\ \
 -- | |\/| |/ _` | | '_ \| |  | |
 -- | |  | | (_| | | | | | |  | |
 -- |_|  |_|\__,_|_|_| |_| |  | |
 --                       \_\/_/
 
 
 args = { ... }
 if( args[1]==null)then
 	args[1] = 16
 	--print("Début de 'tree', par defaut, "..args[1].." blocks")
 else
 	--print("Début de 'tree', "..args[1].." blocks")
 end
 
 stop=false
 if(init()==false) then
 	stop=true
 end
 xp=peripheral.wrap("right")
 xp.setAutoCollect(true)
 xplevel = xp.getLevels()
 while(stop==false)do
 	turtle.attack()
 	repeat
 		turtle.suck()
 	until turtle.suck() == false
-	if(count(16) > 1)then
+
 	if(count(16) > 0)then
 		if(xplevel ~= xp.getLevels())then
 			xplevel = xp.getLevels()
 			print("Level "..xplevel)
 			if(xplevel > 29) then
 				clear_inventory()
 				select(16)
 				move(1,1)
 				select(1)
-				turtle.dropDown()
+
 				--turtle.dropDown()
 				turtle.dropUp()
 			end
 		end
 	end
 	turtle.attack()
 	repeat
 		turtle.suck()
 	until turtle.suck() == false
 	turtle.attack()
 	sleep(1)
 	if(count(2) > 0)then
 		clear_inventory()
 	end
 
 end
 
 
 print('End')
 if(fuel() == 0) then
   print('Ya plus de coco mon coco !')
 end