This puzzle has a nice application of group-thinking… I think. The solving path is also pretty narrow. Not something I’d advise for beginners.
Remember that you can solve the puzzles from the League online on the Sudokucup Guest League page with a 24h delay.
Rules – Follow regular Sudoku rules. Additionally, the number in a circle is the sum of the digits which are covered by its arrow. For circles with multiple arrows, apply the rule for each arrow separately.
Rated – Hard.
Enjoy!
P499
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