Scientific Mind

"Everything we call real is made of things that cannot be regarded as real." — Niels Bohr

Scientific Mind

"Everything we call real is made of things that cannot be regarded as real." — Niels Bohr

3 6 2 9 4 3 2 1 4 9 5 7 1 8 1 8 6 2 4 2 9 5 8 3 8 3 2 5 7 9 5 2

PlaySudoku.us

Medium · Puzzle #699

✓ Completed! 👍

3

9

4

2

1

6

4

2

3

9

5

7

1

8

2

1

8

6

2

9

4

5

8

3

5

2

8

3

2

5

7

9

00:00

Math Insight

The minimum number of clues (17) needed for a unique Sudoku was proved by exhaustive computer search in 2012.

Math Insight

The minimum number of clues (17) needed for a unique Sudoku was proved by exhaustive computer search in 2012.