Did You Know?

In 2013, researchers proved computationally that every valid 16-clue Sudoku puzzle has a non-unique solution — 17 is truly the minimum.

Did You Know?
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Champion's Mindset

"It ain't about how hard you hit. It's about how hard you can get hit and keep moving forward." — Rocky Balboa (Sylvester Stallone)

Champion's Mindset