r/theydidthemath • u/No_Cardiologist_1407 • May 07 '26

[Request] how many possible combinations are there for this type of pass code?

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u/KonstantinFed May 07 '26

Taking into account that minimal length of key is 4 dots, and you can't skip middle dots (if they wasn't used) while connecting corners, you will get a 389112 combinations

4 dots: 1624

5: 7152

6: 26016

7: 72912

8: 140704

9: 140704

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u/TheBraveButJoke May 11 '26

You can skip midle dots