Put your code-breaking skills to the test and see if you can open the door.
Two attempts have already been made to find the right four-digit combination. Some of the numbers used were correct, so see if you can work out the rest.
Good luck!
If you need some extra help, just click Show more to reveal a hint.
Looking at attempt one (9634), there are no numbers that match with 0521 and 1087, so you can discount those options.
This article was published in March 2024
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