發送短信 : k -Isocoronal tilings

 _____       ___     _    _      ___      _____   
|  __ \\    / _ \\  | || | ||   / _ \\   |__  //  
| |  \ ||  / //\ \\ | || | ||  / //\ \\    / //   
| |__/ || |  ___  ||| \\_/ || |  ___  ||  / //__  
|_____//  |_||  |_|| \____//  |_||  |_|| /_____|| 
 -----`   `-`   `-`   `---`   `-`   `-`  `-----`