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

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Text this: On the covering structures of two classes of linear codes from perfect nonlinear functions