Is This The Greatest Quadruple In Sudoku History?

Today's puzzle is called Quorum Rings and it's another of these sudokus that seems to defy belief. It's a debut on the channel for Jay Dyer and you'll want to be having a go at this one!

You can play the puzzle at the following link:

https://app.crackingthecryptic.com/su...

Rules:
Normal sudoku rules apply. Digits may not repeat on either main diagonal (marked in blue). In cages, digits must sum to the small clue in the top left corner of the cage. Digits cannot repeat within a cage. The clue outside the grid gives the sum of the digits on the indicated diagonal. Digits may repeat along this diagonal if allowed by other rules.

** Two Truths And A Lie by zetamath **
This puzzle is incredible, one of the best we've ever seen. But it does contain an enormous ruleset - especially if the rules are fully explained. Give the puzzle a try on the link below and watch out for Simon's video on how to solve it. The video is available now on Patreon tonight and will appear on the channel in the coming days.

https://app.crackingthecryptic.com/su...

** Our Patreon - The Best Sudoku Club In The World **
You can join us on Patreon for as little as $2/month and access a lot of extra content. November's reward is a Japanese Sum Sudoku Extravaganza from Panthera and TheAsylm where every puzzle creates a picture! Finish all 45 puzzles and send us the password for the "Degree" file for a chance to win a prize.

  / crackingthecryptic  

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Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships.

Thank you for watching!
Simon and Mark