PlaySudoku.us
Medium · Puzzle #767
1
6
9
1
2
8
3
4
9
8
4
2
7
3
7
8
2
4
6
5
3
9
7
2
9
1
3
7
1
5
1
5
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.