Surely you're joking, Mr Feynman!
Tribute to one of the most creative thinkers of modern times.
Rules:
*) The first part is a silly joke. The part about no two circles containing the same digit, though, is for real.
Play:
f-puzzles: https://f-puzzles.com/?id=yyywwmbn
CTC app: https://bit.ly/3nWAjmp
Solution code: Row 4 and 5. No spaces.
on 30. November 2021, 07:39 by vidarino
Updated f-puzzles version to show arrows more clearly. Thanks, SudokuExplorer!
on 30. November 2021, 00:52 by SudokuExplorer
In the f-puzzles link, the arrows look ambiguous.
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Oh no, sorry about that. Updated links to better version. Thanks! :)
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