https://qooah.com/2014/05/23/%e8%a1%8c%e5%8b%95%e7%89%88%e9%ad%94%e7%8d%b8%e4%b8%96%e7%95%8c%ef%bc%9aorder-chaos-%e6%b7%b7%e6%b2%8c%e8%88%87%e7%a7%a9%e5%ba%8f/