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  _____      ___      ______   __   __     _____  
 / ____||   / _ \\   /_____//  \ \\/ //   / ___// 
/ //---`'  / //\ \\  `____ `    \ ` //    \___ \\ 
\ \\___   |  ___  || /___//      | ||     /    // 
 \_____|| |_||  |_|| `__ `       |_||    /____//  
  `----`  `-`   `-`  /_//        `-`'   `-----`   
                     `-`

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Text this: A web-page-based software program for technology-enhanced learning (TEL) of Karnaugh map (K-map)