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

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Text this: Connectedness of endo-cayley digraphs of right(left) zero union of semigroups