發送短信 : Robotic solution for the arrangement of tables and chairs

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