Text this: Importance sampling of word patterns in DNA and protein sequences

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