treats his sister like a treasure."After parking her car, Ou-Yan received a call from Da Hei."Big brother, we found out about your third sister-in-law's family of origin... I sent you the information...turb..."She has no idea what to do!Can this chess game actually be solved Or is it just random scribbles by Ou-yanMr. Yang could see that this chess game was not simple, even his granddaughter, whom...