Text this: Optimal arrangement of meta-atoms composing metamaterials

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