Logic Masters Deutschland e.V.

Click here to play in Sven’s SudokuPad

This puzzle is part of my April Fools series.

I’m just so terrible with numbers! Whenever I try to write anything down, it always ends up full of obvious numerical errors. That simply won’t do in a sudoku, so I decided that I needed help. I shared this puzzle with my very punctilious friends, who made sure that all of the clues were correct. However, they weren’t able to say the same about the rules. After reading them very carefully, they assure me that I have, somehow, at least managed to stay consistent in the amount of my mistakes. That, along with normal sudoku rules, should be enough information for you to solve it. (Make sure you scroll to see them all, unlike one of the testers who was left utterly confused). Here they are:

Cells separated by a V contain digits that add up to 5, and those separated by an X contain digits that add up to 7.

The numbers outside the grid are Sandwich Sums, which indicate the sum of the digits between 8 and 9 in the corresponding row or column.

Digits inside Killer Cages cannot repeat, and must add up to the total indicated in the upper left corner of the cage, or perhaps the total minus one (I can’t be sure, I’m terrible with numbers! But I’m consistent, so whichever it is, it’s the same for the three cages).

Three adjacent digits on a German whisper line must have a difference of at least 5.

All rules contain numerical mistakes, exactly two per rule.

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Note: I hatched this puzzle, so all complaints and objections should be directed to the Wicked Witch Lorena. However, its transformation from ugly duckling to beautiful swan was very much a team effort involving Bellsita, The Book Wyrm and Myxo. It was also enormous fun and one of the coolest experiences ever. The words “thank you” fall short, but they’re all I have, so a HUGE thank you goes out to them, as well as to Jake, Chefofdeath and juggler for testing.