PlaySudoku.us
Medium · Puzzle #389
6
9
4
1
8
7
2
4
8
5
2
5
6
3
1
4
8
6
7
5
1
2
4
8
4
1
9
7
2
7
8
3
2
9
7
8
1
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.