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

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Text this: On a class of constacyclic codes of length 4ps over ð ½pm + uð ½pm