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

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Text this: Sigma Chromatic Number of the Middle Graph of Some General Families of Trees of Height 2