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| || | ||  /_   _//   ____     /_   _//   / ___// 
| || | ||   -| ||-   |    \\    -| ||-    \___ \\ 
| \\_/ ||   _| ||_   | [] ||    _| ||_    /    // 
 \____//   /_____//  |  __//   /_____//  /____//  
  `---`    `-----`   |_|`-`    `-----`  `-----`   
                     `-`

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發送短信 : Sigma chromatic number of graph coronas involving complete graphs