View difference between Paste ID: Yt2BVvYK and qNzfCbJb

 woolValid = true
-    for i=1,16 do
+startPosition = 1
-        turtle.select(i)
+
-        turtle.dropDown(1)
+local function dropWool()
-        --os.sleep(1)
+    for i=startPosition,16 do
         if woolValid and turtle.getItemCount(i) > 1 then
             turtle.select(i)
             turtle.dropDown(1)
             --Uncomment this is your spreaders are overloaded \/
-    if rs.getInput("left") then
+            --os.sleep(1)
-        main()
+        else
             if woolValid then
-    sleep(.1)
+                startPosition = i
             end
             woolValid = false
         end
     end
 end
 
 local function main()
     woolValid = true
 
 	print("Validating Wool")
 	for i=1,16 do
 		--For some reason white wool's damage is 64, whereas the rest are sequential....
 		if (turtle.getItemDetail(i).damage ~= i - 1 or turtle.getItemCount(i) < 2) then
 
 			woolValid = false
 			print("Wool invalid at index: "..i)
 		end
 	end
 
     if woolValid then
         print("Your wool's valid. Flip the lever to start the drop.")
 	    while woolValid do
 	        if rs.getInput("left") then
     	        dropWool()
 	        end
 
     	    sleep(.1)
 	    end
     end
 
 	sleep(1)
 end
 
 while true do
     main()
 end