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   _____    _____     _____      ___     _    _   
  / ___//  |  ___||  /  ___||   / _ \\  | \  / || 
  \___ \\  | ||__   | // __    / //\ \\ |  \/  || 
  /    //  | ||__   | \\_\ || |  ___  ||| .  . || 
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`-----`    `-----`    `---`   `-`   `-` `-`  `-`

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發送短信 : On regular and 2-scored 2-orthogonal tournaments.