View difference between Paste ID: vWW4DBHk and LWdkeSum

 os.run({}, "t3", 20)
 turtle.turnLeft()
 turtle.turnLeft()
 turtle.forward()
 turtle.turnLeft()
 os.run({}, "t3", 4)
 turtle.turnRight()
-os.run({}, "t3", 18)
+os.run({}, "t3", 19)