Puzzle Cottage
Puzzles
Easy #1
Puzzle 1 of 12
4
7
2
8
6
5
4
3
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6
1
1
2
9
7
4
6
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7
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8
Easy #2
Puzzle 2 of 12
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4
9
1
6
1
8
7
9
9
7
4
1
3
5
2
7
8
4
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5
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1
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6
Easy #3
Puzzle 3 of 12
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5
8
4
6
9
1
9
5
2
4
3
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2
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9
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3
4
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3
Easy #4
Puzzle 4 of 12
2
1
9
6
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9
7
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3
Easy #5
Puzzle 5 of 12
1
7
5
7
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5
9
1
3
1
3
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9
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1
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Easy #6
Puzzle 6 of 12
6
7
9
8
3
1
4
1
3
2
8
9
9
1
7
1
2
4
5
6
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3
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7
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1
8
9
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2
1
1
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3
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3
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8
Easy #7
Puzzle 7 of 12
4
2
1
6
1
9
5
3
2
4
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5
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4
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3
5
7
6
1
5
5
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3
1
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2
9
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3
1
2
Easy #8
Puzzle 8 of 12
4
5
9
6
9
3
8
6
5
5
4
7
2
3
4
8
9
2
7
6
1
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2
1
2
4
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3
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1
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2
Easy #9
Puzzle 9 of 12
7
6
9
2
5
6
2
3
2
4
8
1
6
5
7
4
1
3
1
8
6
9
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5
2
7
8
1
3
9
1
5
2
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7
9
8
1
2
9
1
7
5
Easy #10
Puzzle 10 of 12
8
3
6
5
2
7
8
3
6
7
5
6
1
3
7
4
9
6
3
5
2
8
5
3
2
9
1
4
6
4
8
6
1
9
8
9
1
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8
Easy #11
Puzzle 11 of 12
2
4
9
6
7
1
7
6
2
9
8
3
7
4
6
9
1
3
3
8
2
1
6
7
6
1
2
5
9
8
5
9
2
9
2
5
7
4
7
1
2
8
9
Easy #12
Puzzle 12 of 12
7
4
8
6
1
9
4
8
5
3
3
5
1
7
4
4
5
8
2
7
9
6
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7
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2
Answer key
Easy #1 — solution
Answer 1 of 12
6
5
3
1
4
7
2
8
9
1
8
7
6
9
2
5
4
3
4
2
9
3
5
8
6
1
7
8
1
2
9
7
3
4
6
5
7
9
4
2
6
5
8
3
1
3
6
5
4
8
1
7
9
2
2
7
1
8
3
4
9
5
6
9
3
8
5
2
6
1
7
4
5
4
6
7
1
9
3
2
8
Easy #2 — solution
Answer 2 of 12
2
3
8
6
4
9
7
1
5
6
5
1
2
8
7
4
3
9
9
7
4
1
3
5
6
2
8
3
6
2
7
1
8
5
9
4
7
4
9
5
2
6
3
8
1
1
8
5
4
9
3
2
7
6
5
9
7
8
6
2
1
4
3
8
1
6
3
7
4
9
5
2
4
2
3
9
5
1
8
6
7
Easy #3 — solution
Answer 3 of 12
7
5
2
8
3
1
4
6
9
8
1
9
4
5
6
7
2
3
4
3
6
2
7
9
5
1
8
6
7
3
5
4
8
1
9
2
9
2
5
3
1
7
8
4
6
1
8
4
9
6
2
3
5
7
3
9
1
7
2
4
6
8
5
2
4
7
6
8
5
9
3
1
5
6
8
1
9
3
2
7
4
Easy #4 — solution
Answer 4 of 12
2
1
7
9
3
4
6
5
8
4
9
8
7
5
6
2
3
1
5
6
3
1
2
8
4
7
9
1
7
2
8
4
3
9
6
5
6
3
5
2
7
9
8
1
4
9
8
4
5
6
1
3
2
7
3
2
9
4
1
5
7
8
6
8
5
6
3
9
7
1
4
2
7
4
1
6
8
2
5
9
3
Easy #5 — solution
Answer 5 of 12
9
1
3
6
2
7
5
4
8
6
7
4
8
5
9
1
3
2
5
2
8
1
3
4
6
7
9
7
9
1
3
6
5
8
2
4
4
5
6
2
7
8
9
1
3
3
8
2
4
9
1
7
6
5
8
6
5
7
4
2
3
9
1
2
3
9
5
1
6
4
8
7
1
4
7
9
8
3
2
5
6
Easy #6 — solution
Answer 6 of 12
6
2
7
5
9
8
4
3
1
4
1
3
6
2
7
8
5
9
8
9
5
4
3
1
7
6
2
9
8
1
2
4
6
3
7
5
5
6
2
7
1
3
9
4
8
3
7
4
8
5
9
1
2
6
7
4
8
9
6
2
5
1
3
1
5
6
3
8
4
2
9
7
2
3
9
1
7
5
6
8
4
Easy #7 — solution
Answer 7 of 12
7
3
5
8
4
2
9
1
6
1
8
9
6
5
7
3
2
4
2
4
6
3
1
9
7
5
8
4
9
3
1
6
5
2
8
7
6
1
7
9
2
8
4
3
5
8
5
2
4
7
3
6
9
1
3
2
1
7
8
6
5
4
9
5
6
8
2
9
4
1
7
3
9
7
4
5
3
1
8
6
2
Easy #8 — solution
Answer 8 of 12
7
4
5
3
9
2
8
1
6
9
3
2
1
8
6
7
4
5
6
8
1
5
4
7
2
9
3
4
1
8
9
3
5
6
2
7
2
7
3
6
1
4
9
5
8
5
6
9
7
2
8
1
3
4
1
2
7
4
6
3
5
8
9
8
5
4
2
7
9
3
6
1
3
9
6
8
5
1
4
7
2
Easy #9 — solution
Answer 9 of 12
8
4
7
1
6
9
3
2
5
5
6
1
2
7
3
9
8
4
9
3
2
4
5
8
1
6
7
6
2
9
5
3
7
4
1
8
3
1
8
6
9
4
5
7
2
4
7
5
8
2
1
6
3
9
1
5
3
7
4
2
8
9
6
7
9
6
3
8
5
2
4
1
2
8
4
9
1
6
7
5
3
Easy #10 — solution
Answer 10 of 12
9
8
3
1
6
4
5
2
7
2
5
4
9
7
8
3
6
1
1
7
6
2
5
3
4
8
9
6
1
8
7
4
2
9
3
5
7
4
9
6
3
5
2
1
8
5
3
2
8
9
1
7
4
6
4
2
7
5
8
6
1
9
3
8
9
1
3
2
7
6
5
4
3
6
5
4
1
9
8
7
2
Easy #11 — solution
Answer 11 of 12
2
4
9
5
6
7
8
1
3
7
6
1
2
8
3
5
9
4
5
8
3
9
1
4
2
7
6
8
7
4
6
9
1
3
2
5
3
9
5
8
4
2
1
6
7
6
1
2
7
3
5
9
4
8
1
5
6
3
7
9
4
8
2
9
2
8
4
5
6
7
3
1
4
3
7
1
2
8
6
5
9
Easy #12 — solution
Answer 12 of 12
7
4
5
9
8
3
2
6
1
9
1
2
7
4
6
8
5
3
3
8
6
5
2
1
7
9
4
4
5
8
2
3
7
9
1
6
2
6
9
4
1
5
3
8
7
1
7
3
6
9
8
5
4
2
5
2
1
3
6
9
4
7
8
6
9
4
8
7
2
1
3
5
8
3
7
1
5
4
6
2
9
Frequently asked questions
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Are these suitable for beginners?
Yes — Easy difficulty has 38 blanks (43 clues), comfortably solvable using only basic scanning and naked-singles techniques. Most beginners clear an Easy puzzle in 5–10 minutes.
How are the puzzles generated?
Algorithmically with seeded backtracking. Same algorithm we use for our online daily Sudoku. Each puzzle has exactly one solution.
Can I use these in a classroom or nursing home?
Yes. Print as many copies as you like. No licensing restrictions for non-commercial use.
What's a good Sudoku for seniors specifically?
Easy difficulty with the larger 9×9 grid is ideal — clear rules, no time pressure, large enough text when printed. See our guide to brain games for seniors.
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