Killer Sudoku's popularity seems to be at an all-time high thanks to Cracking the Cryptic studying dozens of such puzzles - though many of the ones featured on their channel make use of one or more additional constraints. This here puzzle is just another regular Killer Sudoku. Note that it has only 11 cages, which is not the minimum possible but still a rather low number; I have been making a few such puzzles lately. It is also pretty hard and a few years ago I would probably not have published it here, but since there is an evergrowing public for this kind of puzzles, I feel comfortable sharing it. It is definitely not a masterpiece, but there are a few interesting deductions to make along the way. Enjoy!
You can solve it online using the F-Puzzles interface: https://f-puzzles.com/?id=y5obdn93
The value on the top-left corner of a dotted cage is equal to the sum of its digits. No digit can repeat within a cage.
45 minutes until I realized that 45-37 is not 7. Then another hour for the second try. Wow.
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