發送短信 : The Burrows-Wheeler Transform: Data Compression, Suffix Arrays, and Pattern Matching

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