PlaySudoku.us
Medium · Puzzle #587
9
5
6
7
3
9
8
1
2
3
5
6
3
5
9
8
7
4
8
2
1
7
9
9
7
2
4
2
3
8
9
2
6
6
4
5
2
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.