Dataset #%5BO%3A3%5D%5BC%3A4%5D1%5BCH%3A5%5D%3D%5BCH%3A6%5D%5BC%3A7%5D2%5BC%3A8%5D3%5BCH%3A19%5D%3D%5BCH%3A18%5D%5BCH%3A17%5D(%5BCH%3A20%5D4%5BCH2%3A25%5D%5BCH2%3A24%5D%5BCH%3A23%5D(%5BCH2%3A26%5D%5BCH2%3A27%5D%5BCH3%3A28%5D