@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Path other = (Path) obj;
		if(end == other.start && start == other.end)
			return true;
		if (end != other.end)
			return false;
		if (start != other.start)
			return false;
		return true;
	}