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

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發送短信 : All maximal idempotent submonoids of HypG(2)