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

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Text this: Sigma Coloring and Edge Deletions