User talk:2603:8080:9F40:54A:B032:974:FBA6:52CC

October 2020
Hello, I'm Longchess. Your recent edit(s) to the page Penrose triangle appear to have added incorrect information, so they have been removed for now. If you believe the information was correct, please cite a reliable source or discuss your change on the article's talk page. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you.  — Longchess  ( talk ) 00:27, 29 October 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.