User talk:Hemant knght

Hello, I'm David Eppstein. I wanted to let you know that one or more of your recent contributions&#32;to Shuffle-exchange network have been undone because they did not appear constructive. If you would like to experiment, please use your sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. —David Eppstein (talk) 16:21, 18 April 2021 (UTC)