The Quest Begins (The "Why") I still remember the first time I stared at a blank Sudoku grid during a mock interview. The interviewer slid the paper over, smiled, and said, “Just fill it in. ” My brain went into overdrive: What if I try every number?
Source: [Dev.to](https://dev.to/timevolt/backtracking-solving-sudoku-like-neo-in-the-matrix-4jpj)