sudoku

Sudoku #1

Challenging Sudoku Puzzles by KrazyDad, Book 1

KRAZYDAD.COM/PUZZLES

2 89 2 4

2 8 7 13 6

7 96 4

8 6 4 19 2 7

2 9

Fill in the blank squares so that each row, each column and each3-by-3 block contain all of the digits 1 thru 9.

If you use logic you can solve the puzzle without guesswork.

Need a little help? The hints page shows a logical order to solve the puzzle.Use it to identify the next square you should solve. Or use the answers pageif you really get stuck.

© 2008 KrazyDad.com

http://www.krazydad.com/

Sudoku #2



9 14 3

5 6 7 31 7

8 1 2 42 9

7 3 5 14 6

8 9





Sudoku #3



4 1 3 85 6

7 36 1

8 45 2

7 18 4

2 9 6 5





Sudoku #4



4 19 8 7 1

3 97 3

4 3 1 68 26 2

7 5 8 64 9





Sudoku #5



6 3 2 72 4

1 75 7 6

5 68 5 2

1 45 8

3 7 2 9





Sudoku #6



9 8 44 8 5

6 7 34 7

6 95 7

7 3 12 1

3 9 5





Sudoku #7



7 6 19 4 52 9 6

6 3 7

1 5 89 1 55 7 4

1 2 3





Sudoku #8



7 52 3 9

7 69 2 4

3 9 18 2 5 7

4 63 7 5

6 8





Hints Challenging Sudoku Puzzles by KrazyDad, Book 1

Sudoku #1

1

2

34

5

6

7 8

9

10

11

12

13

14

15

16 17

18

19

20 21 22

23

24

25 26

27

28 29 30

31

32

33

34 35

36

37

38 39

40 41

42

43

44

45

46

47

48

49

50

51 52

53

54

55

56

57

Sudoku #2

1 2

3

4 5

6

7

8

9 10

11

12 13

14

15 16 17

18 19

20

21

22

23

24

25

26 27

28

29 3031

32 33

34

3536

3738

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

Sudoku #3

1

2

3 4

5

6

7

8

9

10

11 12 13 14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38 39

40

41

42 43

44

45

46 47 48

49 50

51 52 53 54

55 56

57

58

59

Sudoku #4

1 23

4

5 6

7

89

10

11

12

13

14

15

16

17

18

19

20 21

22 23

24

25

26

27

2829

3031

32

33

34

35

36

37 38

39

40 41

42 43

44

45

46

47 48 49

50 51 52

53

54 55 56

57

Sudoku #5

1

2

3

4

5

6

7

8

9

10

11 12

13

14

15

16

17

18 19

20

21

22

23

24

25

26

27

28

29

30

31

32 33

34

35

36

37 38

39

40 41

42

43 4445

46

47

48

49

50

51

52 53

54

55

56

57

Sudoku #6

1 2

3

4

5

6

7

8

9

10

11

12

1314

15

16

17 18

19

20

21

22

23

24

25

26

27

28

29

30 31

32 33

34

35

36

37

38 39

40

41 42

43

44 45

46

47 48

49

50 51

52 53

54 55 56 57

58

Sudoku #7

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1516

17

18

19

20

21

22

23

24

25

26

27

28

29 30

31

32 33

34

35 36

37 38

39

40

41

42

43 44

45

46 47

48 49

50

51

52

53 54

55 56

57

Sudoku #8

1

2

3

4

5

6

7

8

9

10

11

12 13

14

15

16 17

18

19 20

21

22

23 24

25

26

27

2829 30

3132

33

34

35 36

37 3839

40

41

42 43

44

45

46

47

48

49

50

5152

53

54

55

56

57

Answers Challenging Sudoku Puzzles by KrazyDad, Book 1

Sudoku #14 7 1 6 3 5 9

8 1 7 5 3 66 5 3 9 41 5 4 2 7 8 95 8 4 6 3 1 27 9 2 8 1 3 5

7 2 9 5 33 4 5 8 6 1

1 3 5 7 8 6 4

2 8

9 2 4

2 8 7 1

3 6

7 9

6 4

8 6 4 1

9 2 7

2 9

Sudoku #27 3 2 8 4 6 55 6 1 9 7 2 81 8 2 4 96 4 3 8 9 2 5

5 6 7 3 97 4 1 5 3 8 6

9 6 8 4 23 2 5 9 8 7 14 1 7 2 6 5 3

9 1

4 3

5 6 7 3

1 7

8 1 2 4

2 9

7 3 5 1

4 6

8 9

Sudoku #39 6 7 5 21 7 3 8 2 4 95 8 2 9 6 4 13 2 7 4 9 8 5

6 5 3 7 9 2 14 9 1 8 3 6 7

9 2 5 8 4 3 66 5 1 3 7 9 2

3 4 7 8 1

4 1 3 8

5 6

7 3

6 1

8 4

5 2

7 1

8 4

2 9 6 5

Sudoku #47 5 6 9 8 2 3

6 2 3 4 51 8 5 4 2 7 6

9 5 6 4 1 2 82 9 8 5 71 7 3 6 9 4 55 4 7 9 1 3 8

9 2 3 1 48 3 1 6 2 5 7

4 1

9 8 7 1

3 9

7 3

4 3 1 6

8 2

6 2

7 5 8 6

4 9

Sudoku #54 5 9 1 87 1 6 5 8 9 39 3 8 4 2 5 63 2 8 4 1 92 1 9 3 8 4 76 4 7 9 1 38 9 6 5 3 7 2

7 2 9 6 3 4 11 4 8 6 5

6 3 2 7

2 4

1 7

5 7 6

5 6

8 5 2

1 4

5 8

3 7 2 9

Sudoku #67 3 5 1 2 6

2 6 3 9 7 18 5 1 4 9 23 5 2 9 1 6 8

7 8 1 4 3 5 29 1 2 8 6 4 35 6 2 9 8 4

8 4 9 5 7 6 31 4 8 6 2 7

9 8 4

4 8 5

6 7 3

4 7

6 9

5 7

7 3 1

2 1

3 9 5

Sudoku #74 3 2 5 8 9

3 1 6 8 7 25 8 7 1 3 4

5 2 8 1 4 99 8 3 4 6 7 1 2 5

7 4 9 2 3 62 3 8 4 7 68 6 2 3 9 14 7 5 9 6 8

7 6 1

9 4 5

2 9 6

6 3 7

1 5 8

9 1 5

5 7 4

1 2 3

Sudoku #89 3 8 6 2 4 11 6 4 5 7 84 5 8 9 1 3 25 6 1 7 8 3

7 4 2 6 5 81 3 4 9 6

7 5 8 9 1 2 32 8 4 1 6 9

9 1 3 2 5 4 7

7 5

2 3 9

7 6

9 2 4

3 9 1

8 2 5 7

4 6

3 7 5

6 8

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