View difference between Paste ID: 8dt89sD1 and HKwj7ymd

 SAFE_SLOTS = 1
 LAST_FILLER_SLOT = 8
 SLOT_COUNT = 16
 
 function selectFiller()
   for slot = SAFE_SLOTS + 1, SLOT_COUNT do
     turtle.select(slot)
     if turtle.compareTo(2) and turtle.getItemCount() > 1 then
       return
     end
   end
 end
 
 function placeFiller(direction)
   if direction == nil then
     direction = ''
   end
 
   while turtle['detect' .. direction]() do
     turtle['dig' .. direction]()
   end
   selectFiller()
   turtle['place' .. direction]()
 end
 
-function clear(direction)
+
   for i = 1, 4 do
     for x = 1, width do
         placeFiller('Down')
         turtle.forward()
     end
-    selectFiller()
+
-    turtle['place' .. direction]()
+
 
   turtle.up()
 
   dropNonFuel()
-function move(direction)
+
-  clear(direction)
+
 for i = 1,24 do
-  if direction == nil or direction == '' then
+
-    turtle.forward()
+