Sudoku #1
Intermediate Sudoku Puzzles by KrazyDad, Book 9
KRAZYDAD.COM/PUZZLES
2
8
4
9
3 8
7 3
2
1
2
5
6
1
7
7
9 1
6 2
3
5
4
6
Fill in the blank squares so that each row, each column and each
3-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 page
if you really get stuck.
Sudoku #2
Intermediate Sudoku Puzzles by KrazyDad, Book 9
KRAZYDAD.COM/PUZZLES
9
5 4
3
9
4 6
5
9
5 9
2
1
7 3
5
6
3 7
2
1
4 7
2
Fill in the blank squares so that each row, each column and each
3-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 page
if you really get stuck.
© 2008 KrazyDad.com
Sudoku #3
Intermediate Sudoku Puzzles by KrazyDad, Book 9
KRAZYDAD.COM/PUZZLES
6
1 2
7 8
4
5
3
2
3 9
6
5
4
1 3
7
1
6
3
1 7
5 9
Fill in the blank squares so that each row, each column and each
3-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 page
if you really get stuck.
© 2008 KrazyDad.com
Sudoku #4
Intermediate Sudoku Puzzles by KrazyDad, Book 9
KRAZYDAD.COM/PUZZLES
4 6
8
2 8
1
4
9
7
8 6
8
3
6 2
4
7
8
1
3 5
9
7 5
Fill in the blank squares so that each row, each column and each
3-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 page
if you really get stuck.
© 2008 KrazyDad.com
Sudoku #5
Intermediate Sudoku Puzzles by KrazyDad, Book 9
KRAZYDAD.COM/PUZZLES
2 7 3
5
8
1
6
2
2 7 8
5
1
9 4 7
3
9
7
6
5
4 8 1
Fill in the blank squares so that each row, each column and each
3-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 page
if you really get stuck.
© 2008 KrazyDad.com
Sudoku #6
Intermediate Sudoku Puzzles by KrazyDad, Book 9
KRAZYDAD.COM/PUZZLES
9
1
2
4
7 5
4 9 1
7
5
8
9
6
5
3 8 4
9 5
3
6
4
8
Fill in the blank squares so that each row, each column and each
3-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 page
if you really get stuck.
© 2008 KrazyDad.com
Sudoku #7
Intermediate Sudoku Puzzles by KrazyDad, Book 9
KRAZYDAD.COM/PUZZLES
6
1 7 4
5
3
4 8
3 2
4
9
6
8
2 9
6 8
2
7
4 2 5
8
Fill in the blank squares so that each row, each column and each
3-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 page
if you really get stuck.
© 2008 KrazyDad.com
Sudoku #8
Intermediate Sudoku Puzzles by KrazyDad, Book 9
KRAZYDAD.COM/PUZZLES
8
7
6
3
6
1 9
3
4
8 2
1
5
9 1
3
7
5 9
8
3
4
9
7
Fill in the blank squares so that each row, each column and each
3-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 page
if you really get stuck.
© 2008 KrazyDad.com
Hints
Intermediate Sudoku Puzzles by KrazyDad, Book 9
Sudoku #1
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
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
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 #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
Sudoku #4
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
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
44
45
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
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 #7
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
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
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
Answers
Intermediate Sudoku Puzzles by KrazyDad, Book 9
Sudoku #1
6
1 5
7
9 3
5
4 1 6
7 2
8
4
9 6 5 1
8
7 9
3 4 6
3 6 7 8 1 4 5 2 9
4 5 9
3 2
8
2 4 8 3
6
5
9 1
5 8 7
4
7 3
9
1 2
8
2
8
4
9
3
8
7
3
2
1
2
5
6
1
7
7
9
1
6
2
3
5
4
6
Sudoku #2
8 2 6 3 1 7
7 5
4 2
8 6 1
1
7
8
2 3
8 6 1
2 4 3 7
3
7 8 4 6 5
9
5 9 4 1
2 8 6
2 1
9
4
8
6 3 9
8 7
4 5
8 3 1 5 6 9
9
5
4
3
9
4
6
5
9
5
9
2
1
7
3
5
6
3
7
2
1
4
7
2
Sudoku #3
4 5 3 8 7
9
2
1 9
3
6
6 1 9 2
5 8 4 7
7 4
6 8 1 5
9 8
7
3
2 1
5 9 4 2
6 8
3 2 7 5
8 6 9 4
8
4
2 9
5
1 4 6 7 2 8 3
6
1
2
7
8
4
5
3
2
3
9
6
5
4
1
3
7
1
6
3
1
7
5
9
Sudoku #4
2 3 1
7 5 9
7 5 9 4 6
3 1
3 8
7 5 9
6 2
3 4 1
5 2
1 7 2 9 6 5 4
5 8
3 9 1
5 9
6 3 7
2 4
1 7
2 4 6 9 8
2 4 6
8 1 3
4
6
8
2
8
1
4
9
7
8
6
8
3
6
2
4
7
8
1
3
5
9
7
5
Sudoku #5
4 9
6
8 1
7 3 2
5 6 9 4
5 1
8 9 4 7 3
6 3 1 4 5 9
2
8 3 6 7 4
9
1 8 2 3 6 5
8 4 6 2 1
5 7
1 2 9 5
3 8 4
7 6
9
2 3
2
7
3
5
8
1
6
2
2
7
8
5
1
9
4
7
3
9
7
6
5
4
8
1
Sudoku #6
5 1 6 7 8 3
4 2
7 4 9 2 5
8 6 3
3 8
9 6
1
8 3
2
6
3 5 6 4 2 7 1
2
7
1 9
4
7 8
2 1
1 7 3
2 6 5 9 8
6 2
1 9 5 4 3 7
9
1
2
4
7
5
4
9
1
7
5
8
9
6
5
3
8
4
9
5
3
6
4
8
Sudoku #7
3
8 5
2 9
4
9 6 2 8 7 1
1 2 7 3 9
5 6
6 1 5 7 8
9
7
3 1 4 2 5
8
4
6 5 1 3 7
5 3
7 1 9 4 2
8 1 4 3 9 6
5
9 7
6 3
1
6
1
7
4
5
3
4
8
3
2
4
9
6
8
2
9
6
8
2
7
4
2
5
8
Sudoku #8
2
5 1
9 6 3 4
9 4 1
2
7 5 8
7
3 5 4 8
2
9
7
5 6
6 1 7 4 3 5 8 2 9
2 8
6
4
1
2 6 7 4
3
8 7 2
5
9 1 6
4 3 6 8
1 2
5
8
7
6
3
6
1
9
3
4
8
2
1
5
9
1
3
7
5
9
8
3
4
9
7