Free printable · Answer key included
Printable Hard Sudoku, Pack 2
Hard Sudoku for confident solvers: the fewest givens we print, and grids that reward careful candidate tracking.
Pack 2 of 3 has six Sudoku puzzles with an answer key on the second page. Each grid has 28 given numbers.
Hard Sudoku · Pack 2
logicpuzzles.ca/printable/sudoku/hard/pack-2
Puzzle 1 · #252
5
3
1
6
9
4
7
1
2
8
3
6
1
4
2
4
7
6
6
2
1
9
3
4
9
8
5
4
Puzzle 2 · #228
6
9
5
7
8
4
7
6
5
6
8
9
3
3
4
7
8
2
5
1
8
6
9
3
7
7
9
1
Puzzle 3 · #288
9
6
7
6
1
4
2
6
5
1
6
3
2
8
7
4
9
7
1
9
2
2
7
6
1
5
8
9
Puzzle 4 · #280
2
1
7
3
2
9
1
8
6
7
4
7
3
2
8
3
2
7
6
4
8
9
8
2
4
6
5
9
Puzzle 5 · #299
6
8
5
4
9
7
1
5
6
4
2
3
7
8
6
8
4
2
9
7
2
7
1
4
2
8
5
6
Puzzle 6 · #250
7
2
3
8
4
4
6
9
2
5
3
5
8
2
3
4
1
5
3
1
9
2
9
1
8
9
1
6
Answers: Hard Sudoku · Pack 2
logicpuzzles.ca/printable/sudoku/hard/pack-2
Puzzle 1
5
7
8
3
1
2
9
6
4
9
3
6
4
8
7
1
5
2
4
1
2
5
9
6
8
3
7
7
6
3
1
4
9
2
8
5
8
9
4
7
2
5
3
1
6
1
2
5
6
3
8
7
4
9
2
5
1
8
7
4
6
9
3
3
4
7
9
6
1
5
2
8
6
8
9
2
5
3
4
7
1
Puzzle 2
2
4
6
9
1
3
5
8
7
3
8
9
4
5
7
1
2
6
7
1
5
2
6
8
9
3
4
9
6
3
1
7
4
2
5
8
4
7
1
8
2
5
3
6
9
8
5
2
3
9
6
7
4
1
1
3
7
6
4
2
8
9
5
6
9
8
5
3
1
4
7
2
5
2
4
7
8
9
6
1
3
Puzzle 3
9
1
4
2
5
3
6
7
8
5
7
6
1
8
4
2
9
3
8
3
2
9
7
6
5
4
1
6
9
3
4
2
1
8
5
7
4
2
8
5
9
7
3
1
6
1
5
7
3
6
8
9
2
4
3
4
9
8
1
2
7
6
5
7
8
5
6
4
9
1
3
2
2
6
1
7
3
5
4
8
9
Puzzle 4
6
8
4
5
7
2
1
9
3
7
3
2
4
1
9
6
5
8
9
5
1
3
8
6
2
7
4
4
7
6
8
5
3
9
1
2
8
1
3
2
9
7
4
6
5
5
2
9
1
6
4
8
3
7
1
9
8
7
2
5
3
4
6
3
6
5
9
4
8
7
2
1
2
4
7
6
3
1
5
8
9
Puzzle 5
3
5
2
6
8
9
1
7
4
8
1
6
3
4
7
5
2
9
4
9
7
1
2
5
8
6
3
7
6
3
8
5
1
9
4
2
5
2
9
4
3
6
7
1
8
1
8
4
7
9
2
6
3
5
6
3
8
5
1
4
2
9
7
2
7
5
9
6
3
4
8
1
9
4
1
2
7
8
3
5
6
Puzzle 6
7
2
6
3
9
8
1
4
5
3
5
4
7
6
1
8
2
9
1
8
9
2
5
4
3
6
7
6
1
5
8
3
2
9
7
4
2
3
8
4
7
9
5
1
6
9
4
7
6
1
5
2
3
8
4
6
1
5
8
3
7
9
2
5
7
3
9
2
6
4
8
1
8
9
2
1
4
7
6
5
3
How to solve
- Rows: Each row holds the numbers 1 to 9 exactly once.
- Columns: Each column holds the numbers 1 to 9 exactly once.
- Boxes: Each 3x3 box holds the numbers 1 to 9 exactly once.
- Pencil marks: Write small candidates in the corners of a square, and rub them out as the grid fills.
Free to print and copy for home, classroom and library use. Every puzzle has one answer you can reach by logic alone.