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           _    _      _____    ______    _____   
    ___   | || | ||   / ___//  /_   _//  / ____|| 
   /   || | || | ||   \___ \\   -| ||-  / //---`' 
  | [] || | \\_/ ||   /    //   _| ||_  \ \\___   
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    -|_||   `---`   `-----`    `-----`    `----`  
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Text this: Weakly-constrained coding with parity-check for perpendicular recording channels