{}_{1-\alpha/2}
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Recent Referers:
  1. http://formula.s21g.com/?%7B%7D_%7B1-%5Calpha/2%7D
  2. http://genki.soup.io/since/52873652?mode=own
  3. http://genki.soup.io/since/19596728?mode=own
  4. http://blog.s21g.com/genki?page=19
  5. http://genki.soup.io/since/17295014?newer=1