أرسل هذا في رسالة قصيرة: Computing and combinatorics : 7th annual international conference, COCOON 2001, Guilin, China, August 20-23, 2001 : proceedings

             ___                 ___      _  _   
    ___     / _ \\    ____      / _ \\   | \| || 
   /   ||  / //\ \\  |    \\   | / \ ||  |  ' || 
  | [] || |  ___  || | [] ||   | \_/ ||  | .  || 
   \__ || |_||  |_|| |  __//    \___//   |_|\_|| 
    -|_|| `-`   `-`  |_|`-`     `---`    `-` -`  
     `-`             `-`