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

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Text this: The demerit-based control chart for trinomial distribution