Printable Hard Sudoku (4 Puzzles + Answers)
Standard A4 / Letter layout: 4 puzzles on Page 1, complete solution key on Page 2.
Sheet 1 of 5
Puzzle #1 β Hard
28 Givens 7
5
3
4
8
8
5
7
2
4
6
7
6
5
8
2
1
2
7
5
9
1
8
6
9
3
5
7
Puzzle #2 β Hard
28 Givens 1
9
3
7
7
8
4
5
9
7
1
4
2
9
8
7
1
3
4
1
7
5
7
1
2
4
5
3
Puzzle #3 β Hard
28 Givens 6
7
4
2
5
3
1
8
9
4
1
5
4
3
5
8
6
3
4
3
9
1
8
7
9
8
2
1
Puzzle #4 β Hard
28 Givens 4
1
9
7
3
2
6
7
1
5
7
6
9
5
3
8
1
6
7
9
5
8
5
6
3
3
2
6
Answer Key (Solutions)
Puzzles #1β4 Solutions
Solution #1
7
2
1
5
3
4
6
8
9
8
5
9
7
6
2
1
4
3
4
3
6
8
1
9
7
5
2
1
4
3
6
5
8
2
9
7
9
6
8
1
2
7
4
3
5
2
7
5
4
9
3
8
6
1
5
1
7
3
8
6
9
2
4
6
9
4
2
7
5
3
1
8
3
8
2
9
4
1
5
7
6
Solution #2
6
1
8
7
2
3
4
9
5
3
4
5
1
6
9
2
8
7
9
2
7
4
5
8
6
3
1
4
8
6
3
1
2
5
7
9
7
9
1
6
4
5
3
2
8
2
5
3
9
8
7
1
4
6
8
3
4
5
9
1
7
6
2
5
7
2
8
3
6
9
1
4
1
6
9
2
7
4
8
5
3
Solution #3
3
9
1
2
8
6
5
7
4
7
6
8
9
4
5
2
3
1
2
4
5
3
1
7
6
8
9
5
7
9
6
3
4
1
2
8
8
3
2
1
5
9
7
4
6
6
1
4
7
2
8
3
9
5
1
8
6
4
7
3
9
5
2
4
2
3
5
9
1
8
6
7
9
5
7
8
6
2
4
1
3
Solution #4
4
3
7
2
1
8
6
9
5
6
1
8
9
5
7
4
3
2
5
2
9
4
6
3
8
7
1
1
9
4
6
2
5
3
8
7
8
6
2
7
3
4
1
5
9
7
5
3
8
9
1
2
6
4
2
4
6
3
7
9
5
1
8
9
8
5
1
4
6
7
2
3
3
7
1
5
8
2
9
4
6
How to Solve Hard Sudoku on Paper
Hard Sudoku requires pencil-marking candidate notes. When simple singles run dry, hunt for Naked Pairs (two cells in the same unit that only share the same two digits) and Box-Line Reductions to unlock progress.
Want interactive solving assistance? Play Hard Sudoku online on NetSudoku.