Sudoku #1
Intermediate Sudoku Puzzles by KrazyDad, Book 1
KRAZYDAD.COM/PUZZLES
2 4 3 8
6
7
5 8
4
4
1
7
5
2
8
1
6 7
3
5
4 9 2 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.
Sudoku #2
Intermediate Sudoku Puzzles by KrazyDad, Book 1
KRAZYDAD.COM/PUZZLES
8
3
5
8
7
4
6
6
9 8
1
7
4
8
6 1
9
5
3
2
4
8
1
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 #3
Intermediate Sudoku Puzzles by KrazyDad, Book 1
KRAZYDAD.COM/PUZZLES
8
4
3
9
6 1
3
4
7 5
3 7
5 6
5 9
6
3
5 4
9
6
8
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 #4
Intermediate Sudoku Puzzles by KrazyDad, Book 1
KRAZYDAD.COM/PUZZLES
2
4
8
9 3
9 2 5
1
4
3 8
9 5
6
1
2 5 1
3 4
2
7
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 #5
Intermediate Sudoku Puzzles by KrazyDad, Book 1
KRAZYDAD.COM/PUZZLES
8
5
1 9
7
1 6
1
6
9
3
5
1
4
6
8
3
5 6
2
5 4
9
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 #6
Intermediate Sudoku Puzzles by KrazyDad, Book 1
KRAZYDAD.COM/PUZZLES
8
3
7
5
2
9
3
9
6 2
2
4
8
1
6 5
7
4
9
1
1
5
8
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 #7
Intermediate Sudoku Puzzles by KrazyDad, Book 1
KRAZYDAD.COM/PUZZLES
7 1
6 8
2
8
3
1
5
2
1
4
8
3
8
7
6
9
2
6
1 9
3 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 #8
Intermediate Sudoku Puzzles by KrazyDad, Book 1
KRAZYDAD.COM/PUZZLES
3 4
7
2
9
5
8 5 2
1
8
3
8
4
6
5 2 4
3
7
8
4
6 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
Hints
Intermediate Sudoku Puzzles by KrazyDad, Book 1
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 1
Sudoku #1
6
7 5 9 1
1 3 9 4 5
8 2
7
1 9 2
3 6
9 6 8
3 7 5 2
2 8 3
6
1 4 9
5 1 7 9
4 3 6
9 4
2 3 8
5
6 2
7 1 9 8 4
8 7 5 6
3
2
4
3
8
6
7
5
8
4
4
1
7
5
2
8
1
6
7
3
5
4
9
2
1
Sudoku #2
2 1 7 4 6 9 5
9 6
1 3
2
7 4 3 2 5 9 8
1
4
5
7
3 2
9 1
3 2 5
8 6
2 3
4
5
7
6
4 1 3 8 2 7 9
7
5 9
6 1
8 9 6 7 2 3 4
8
3
5
8
7
4
6
6
9
8
1
7
4
8
6
1
9
5
3
2
4
8
1
5
Sudoku #3
1 6
9 5
2 7
3
5 2 7 8 4
2 7 4
6 1 9 8 5
8 1 6
3 9
2
4 2
8
1 9
7
1 2
8 3 4
9 8 7 5 4
1 2 6
2 6 1 7 3
8
3 1
9 2
4 7
8
4
3
9
6
1
3
4
7
5
3
7
5
6
5
9
6
3
5
4
9
6
8
5
Sudoku #4
1 9
3 7
6 5
5 7 4 1 8 6 2
8 3 6
4 1 7
9 8 7 5 6 2
3
4 2
1
7 6
5
4 3 7 9 8 2
7 6 8
3 4 9
5 6 9 8 7 2 1
1 9
4 3
6 5
2
4
8
9
3
9
2
5
1
4
3
8
9
5
6
1
2
5
1
3
4
2
7
8
Sudoku #5
2 3 6 7
1 9 4
8 5
4 6 7 2 3
4 9 5 3 2 8
4 7 2
5 8
3
9
2 6 7
8
1
4 9
2 5 7
4 8 1 9 3 7
1 2 3 6 7
9 8
8 7 3
4 5 6 1
8
5
1
9
7
1
6
1
6
9
3
5
1
4
6
8
3
5
6
2
5
4
9
2
Sudoku #6
1 3
9 5 4 6 2 7
9 4 6
2
1
8
5
7 1 8 6
4
8 7 3 4
1 5
9
6 3 5
7
1 8
2 4 3 9
8
2 6 3 7
5
7
2
4
3 9 6
3 6 5 7 1 9
8 4
8
3
7
5
2
9
3
9
6
2
2
4
8
1
6
5
7
4
9
1
1
5
8
2
Sudoku #7
5 9
3 4 2
4 6 9
1 3 5
7
2
8 7 4 5
6 9
6 9 3
8 1 7
4
7
6 2 9
5
5
2 4 3
9 1 6
3 5
8 7 4 2
1
9
1 3 5
4 7 8
8 4 7
2 6
7
1
6
8
2
8
3
1
5
2
1
4
8
3
8
7
6
9
2
6
1
9
3
5
Sudoku #8
5 9 1 6 2
8
4 8
7 1 6
3
3 6 7 4
9 1
7 4
5 6 9 3 2
6 5
7 9 2
1 4
8 2 9 3 1
5 7
7 1
8 3 6 9
9
2 5 6
1 4
8
3 9 7 2 5
3
4
7
2
9
5
8
5
2
1
8
3
8
4
6
5
2
4
3
7
8
4
6
1