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           _    _     _____     _____     _____   
    ___   | || | ||  |__  //   |  ___||  /  ___|| 
   /   || | || | ||    / //    | ||__   | // __   
  | [] || | \\_/ ||   / //__   | ||__   | \\_\ || 
   \__ ||  \____//   /_____||  |_____||  \____//  
    -|_||   `---`    `-----`   `-----`    `---`   
     `-`

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Text this: On kirchhoff's model of parabolic type