Did You Know?

Sudoku is listed as a recommended mental exercise in several cognitive rehabilitation programs for TBI (traumatic brain injury) patients.

Did You Know?
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7
2
1
8
4
2
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6
8
8
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9
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6
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9
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Math Insight

Every row, column, and box in a completed Sudoku sums to 45 — the sum of digits 1 through 9. A useful sanity check.

Math Insight