WELCOME, REFINER.
Your task is to flag anomalous numbers. In this build, an anomaly is any number that:
- contains three identical digits in a row (e.g., 444, 1333)
- has a digit sum equal to 13
- is a prime over 900
Click cells to flag. Correct flags +10. Incorrect −5. Finish with the highest score you can in 2 minutes.