View difference between Paste ID: HDpDqdCB and UjSfvGxb

 local t = turtle
 
 local function forward(x)
 	for i = 1, x do
 		t.forward()
 	end
 end
 
 local function rTurn(x)
 	for i = 1, x do
 		t.turnRight()
 	end
 end
 
 local function lTurn(x)
 	for i = 1, x do
 		t.turnLeft()
 	end
 end
 
 local function up(x)
 	for i = 1, x do
 		t.up()
 	end
 end
 
 local function down(x)
 	for i = 1, x do
 		t.down()
 	end
 end
 
 local function back(x)
 	for i = 1, x do
 		t.back()
 	end
 end
 
 local function gotoStart()
 	rs.setAnalogOutput("left", 0)
 	os.sleep(1)
 	up(2)
 	back(1)
 	lTurn(1)
 	forward(1)
 end
 
 local function rowUp()
 	for i = 1, 4, 1 do
 		t.dig()
 		up(1)
 	end
 end
 
 local function rowDown()
 	for i = 1, 4, 1 do
 		t.dig()
 		down(1)
 	end
 end
 
 local facing = t.detect()
 
 local height = t.detect(down)
 
 local function harvest(x)
 	for i = 1, x do
 		rTurn(1)
 			if facing == true then
 				if height == true then
 					rowUp()
 				else
 					rowDown()
 				end
-			elseif facing == false then
+			else
 				if height == true then
 					forward(1)
 					lTurn(1)
 					rowUp()
 				else
 					forward(1)
 					lTurn(1)
 					rowDown()
 				end
 			end
 	end
 end
 
 local function gotoHome()
 	back(2)
 	lTurn(1)
 	forward(1)
 	down(5)
 	os.sleep(1)
 	rs.setAnalogOutput("left", 15)
 	os.sleep(3600)
 end
 
 while true do
 	gotoStart()
 	rowUp()
 	harvest(6)
 	gotoHome()
 end