Text this: Optimal arrangement of meta-atoms composing metamaterials

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