Sudoku #1
6
Insane Sudoku by KrazyDad, Volume 1, Book 4
9
9
2
7
8
1
9 6
1
8
3
1 7
9
6
9
2
7
5
6
4
9
© 2013 KrazyDad.com
scratch area
Surprise your boss. Get to work on time.
4
7 3
4
4
1
4
7
1
2 9
© 2013 KrazyDad.com
Many people go throughout life committing partial suicide -- destroying their
talents, energies, creative qualities. Indeed, to learn how to be good to
oneself is often more difficult than to learn how to be good to others.
-- Joshua Leibman
scratch area
6
8
9
4
1
8
1
7
4 2
7
9
5
1
6
5
8
9
1 8
Insane Sudoku by KrazyDad, Volume 1, Book 4
Sudoku #2
Sudoku #3
9 1
Insane Sudoku by KrazyDad, Volume 1, Book 4
5
6 7
9
1
5
1
2 9
7
2
6 7
9
5
9
6
1
4
7 3
4
9 7
© 2013 KrazyDad.com
scratch area
Ask not for whom the <CONTROL-G> tolls.
2
6
Sudoku #4
Insane Sudoku by KrazyDad, Volume 1, Book 4
8
7 1
9
7
8
6 8 5
4
8 5 3
4 7
5
8
7 3
2
9
3 8
4
© 2013 KrazyDad.com
scratch area
If A equals success, then the formula is A = X + Y + Z. X is work. Y is
play. Z is keep your mouth shut.
-- Albert Einstein
2 6
2 4
Sudoku #5
1
9
Insane Sudoku by KrazyDad, Volume 1, Book 4
3
8 4
2 3
8
8
6
1
7
3
9 5
4
6 9
2 7
4
4
5
© 2013 KrazyDad.com
scratch area
You're living in your own private Idaho.
9 2
Sudoku #6
3
Insane Sudoku by KrazyDad, Volume 1, Book 4
2
1
5
7
4
1
7
6
5
4
2
3
3
8
5
9
1
4
9
5
© 2013 KrazyDad.com
scratch area
Yes, but which self do you want to be?
8
6
4
Sudoku #7
6
Insane Sudoku by KrazyDad, Volume 1, Book 4
8
5
3
7 2
7
9
3
6
6
8
9
7 6
1
4
2 9
8
3
1
8
© 2013 KrazyDad.com
scratch area
He who steals for others ends up being hanged for himself.
7 1
© 2013 KrazyDad.com
scratch area
Want to help me replace my broken pencil sharpener?
You can make a donation at
Or by mail: Krazydad, P.O. Box 303 Sun Valley, CA 91353 USA
Thank you!
1
6
1 2
1
3
8
4
5
2 9
5
4
3
8
8
9
7
2 5
4
3 9
7
8
6
Insane Sudoku by KrazyDad, Volume 1, Book 4
Sudoku #8
Hints
Insane Sudoku by KrazyDad, Volume 1, Book 4
Sudoku #1
1
12 13
8
10
2
3
16 15
11
5
31
9
36
22 21
35
32 34 35
6
1
32 42 27 41 43 29
36 47 46
44 23 20 40 22 39 38
28 37 24 30 46 25 45
48
4
51
21 19
14 17
49
44
26
18
34
33
15
1
18 12
45
8
6
16
14
2
17
11
13
21
19
22
24
40 29 31
5
51
4
20
27 26
53
23 22 24
13
5
6
17 10 18 11
1
19
33 28
25 34 29 26
32
20
15 16
27 30
21
7
38 35
2
40 43 41 45
48 46 49
55 51 54 50
47
26
6
9
7
42 51
37 44
38 39
46
30 16 50
47 49 19
52
54 17 18 15
25 54
4
3
10
19 20
37 12
33 28
46
7
14
1
43
32
44 23 21 38
35 22
45 41
25 49
42
26
47 18 50 48
5
24
53 15 52
20 23 22 21
6
24
7
28
15 25
17
3
4
13
18
5
12 27
10
35
32 31 33 34
8
19
36
14
37
39 30 38 29
9
1
40 44
29 33
3
5
45
2
11 26
16 46 41
48 49 42 47
43 50
53 52 57 55
3
20
12 13
9
8
2
42
10 41
45
4
53
10 14 12
55 56 31
17
21
15 22
7
4
6
19
1
44 43 24 29
18 25
16
28 26 48 46
47 45
27
31 14
30 32
33
8
5
2
39 40 23
24 34
36 43
21 48
11 13
8
56 54
27 25
35 28
1
4
8
Sudoku #8
23
40 41
15 50
36
53 52 56
32
20
40 37
11
51
Sudoku #7
22
10 11 49
51
29 51
4
44 42
43
Sudoku #6
9
36 37 39
48
30 31 13 16 17
3
Sudoku #5
8
5
2
40 39
31
26 27 14
9
49 52 35 38 34 50
14
23
24
6
6
25 37 44 46 42 28
3
20
29 39 38
16 52 53 19
27 34
12
9
17
45 13
41
30 43 39 48 32 41 36 33 47
23
28
7
Sudoku #4
9
7
2
31 33 30
42
Sudoku #3
10
12
50 47
54 52 53
3
18
34
55 35
52 49 51
37 53 36
11 50
38 54
INSTRUCTIONS: These hint grids reveal the order in which the squares were solved by my computer. It's not necessarily
the same order you would use, but it's probably close. Follow the numbered squares in order 1,2,3,... until you find
a square you haven't solved yet. This square (or the one or two immediately after it) is a good candidate to solve next.
7
Sudoku #2
Answers
Sudoku #1
7 6 1 9
9 5 8 4
2 3 4 5
8 7 3 2
1 4 9 3
5 2 6 8
4 1 7 6
3 9 5 1
6 8 2 7
Sudoku #3
9 1 3 4
4 2 6 7
7 5 8 3
2 4 7 1
1 6 5 8
3 8 9 5
6 7 2 9
8 9 4 6
5 3 1 2
Sudoku #5
1 5 2 6
9 7 8 4
4 6 3 9
5 4 9 2
2 8 6 5
7 3 1 8
3 1 4 7
6 9 5 3
8 2 7 1
Sudoku #7
6 2 3 4
1 5 4 3
8 9 7 2
7 1 8 5
9 4 6 1
2 3 5 9
5 8 1 6
4 7 2 8
3 6 9 7
Insane Sudoku by KrazyDad, Volume 1, Book 4
3
7
8
1
6
4
9
2
5
5
8
6
9
2
7
3
1
4
8 5 4
6 2 1 3
1 9 6 7
9 6 4 5
5 7 2 8
7 1 3 9
3 5 8 2
8 4 7 6
4 3 9 1
2
2 7
9 5
1 4
6 8
3 9
4 2
5 1
7
8 6
8
5 1
2 7
7 3
1 4
6 9
9 5
8 2
4 6
3
8
3
8
6
1
3
2
9
3 5
7 4
6 1
4 8
5 2
9
4 7
6 2
8 5
1 8
9 3
5 4
2 6
7 1
3 9
9 7
7 2
1 3
6 4
3 8
8 1
1
8
6
9
5
6
5
2
7
4
7
3 2 9 4
9 5 6 3
1 4 5 2
7
9
3
1
6
7
2
8
4
5
5
9
4
3
2
6
7
1
8
Sudoku #2
1 8 5 3
6 7 3 1
4 2 9 6
7 4 2 8
3 1 8 7
5 9 6 4
8 6 7 5
2 5 1 9
9 3 4 2
9
8
7
3
5
2
4
6
1
2 4
4 2
5 3
9 6
6 9
1 7
3 1
7 8
8 5
7 6
9 5
1 8
5 1
4 2
8 3
2
9
3 4
6 7
Sudoku #4
5 9 4 8
8 7 3 4
1 2 6 9
2 4 9 7
7 3 5 2
6 1 8 5
9 5 1 6
4 6 2 3
3 8 7 1
2 6 3 7 1
1 5 9 2 6
7 3 4 8 5
6 8 5 1 3
4 1 8 6 9
3 9 2 4 7
8 2 7 3 4
5 7 1 9 8
9 4 6 5 2
Sudoku #6
3 8 7 5
2 6 5 1
1 9 4 8
5 4 2 6
6 1 8 4
7 3 9 2
8 2 6 7
9 5 1 3
4 7 3 9
6
9
3
1
7
5
4
8
2
Sudoku #8
5 9 7 1
3 4 2 5
6 8 1 7
4 6 5 8
8 7 3 9
2 1 9 4
1 5 8 2
7 3 4 6
9 2 6 3
2 4 8
6 8 7
3 9 5
7 3 9
1 2 4
5 6 3
9 7 6
8 1 2
4 5 1
9 4 1
4 3 7 8
7 2 5 6
9 7 8 3
3 5 9 2
8 6 1 4
5 1 3 9
6 4 2 7
1 8 6 5
2
3 6
9 1
2 4
1 2
6 5
8 7
4 3
5 9
7 8