PlaySudoku.us
Medium · Puzzle #866
5
9
4
1
2
3
8
4
2
5
4
6
9
9
1
2
5
6
8
9
7
3
2
8
5
3
1
7
1
9
3
Every row, column, and box in a completed Sudoku sums to 45 — the sum of digits 1 through 9. This is a useful sanity check.
Every row, column, and box in a completed Sudoku sums to 45 — the sum of digits 1 through 9. This is a useful sanity check.
Every row, column, and box in a completed Sudoku sums to 45 — the sum of digits 1 through 9. This is a useful sanity check.
Every row, column, and box in a completed Sudoku sums to 45 — the sum of digits 1 through 9. This is a useful sanity check.