Sudoku puzzles (Su Doku)
My database includes 8 puzzles for the moment and I'm constantly generating more.
Rules: Fill in the grid so that every row and every column contains the digits 1 through 49. There is only 1 solution for each puzzle.
For more information check out Wikipedia.
126878 puzzles downloaded.
10 |
|
8 |
6 |
48 |
|
3 |
20 |
36 |
26 |
35 |
41 |
|
24 |
15 |
5 |
31 |
45 |
34 |
27 |
39 |
|
25 |
|
1 |
|
38 |
12 |
7 |
21 |
4 |
2 |
33 |
43 |
17 |
47 |
30 |
46 |
28 |
16 |
|
19 |
|
22 |
|
42 |
|
|
|
20 |
|
26 |
45 |
41 |
18 |
|
33 |
29 |
47 |
38 |
|
15 |
9 |
24 |
|
25 |
|
1 |
40 |
3 |
|
10 |
32 |
8 |
31 |
|
48 |
16 |
6 |
|
17 |
39 |
27 |
44 |
5 |
14 |
22 |
23 |
30 |
|
|
|
|
|
37 |
|
35 |
12 |
|
25 |
21 |
|
31 |
11 |
|
34 |
32 |
7 |
1 |
48 |
19 |
33 |
37 |
4 |
5 |
|
|
20 |
28 |
|
8 |
22 |
30 |
43 |
9 |
42 |
2 |
46 |
49 |
|
16 |
|
|
24 |
|
|
|
17 |
6 |
14 |
|
12 |
26 |
|
13 |
15 |
38 |
9 |
|
|
30 |
8 |
48 |
|
49 |
16 |
18 |
46 |
14 |
35 |
|
36 |
38 |
42 |
|
|
15 |
|
22 |
2 |
17 |
|
|
47 |
43 |
23 |
28 |
|
26 |
|
|
19 |
|
40 |
33 |
25 |
7 |
5 |
3 |
|
1 |
20 |
4 |
12 |
31 |
44 |
|
48 |
|
47 |
|
42 |
22 |
23 |
2 |
33 |
27 |
43 |
25 |
11 |
|
|
|
44 |
|
14 |
38 |
39 |
35 |
29 |
36 |
|
|
3 |
|
|
|
12 |
21 |
26 |
|
34 |
19 |
28 |
15 |
40 |
|
|
|
46 |
8 |
6 |
41 |
5 |
17 |
|
|
47 |
22 |
36 |
|
10 |
15 |
7 |
24 |
|
46 |
1 |
19 |
40 |
26 |
11 |
8 |
2 |
|
21 |
9 |
49 |
39 |
12 |
42 |
44 |
34 |
48 |
18 |
13 |
|
|
41 |
16 |
30 |
|
|
35 |
|
3 |
|
5 |
|
|
45 |
6 |
|
33 |
2 |
20 |
18 |
46 |
42 |
|
38 |
|
28 |
|
|
29 |
|
47 |
16 |
32 |
|
11 |
37 |
45 |
48 |
|
33 |
34 |
19 |
1 |
30 |
36 |
|
5 |
43 |
8 |
26 |
|
21 |
14 |
25 |
7 |
|
31 |
40 |
23 |
44 |
15 |
|
13 |
22 |
41 |
24 |
18 |
32 |
|
|
3 |
19 |
45 |
26 |
47 |
11 |
21 |
|
|
|
38 |
22 |
|
48 |
|
35 |
|
|
6 |
27 |
33 |
36 |
|
40 |
10 |
|
2 |
42 |
41 |
24 |
|
1 |
31 |
39 |
17 |
34 |
23 |
|
37 |
7 |
43 |
|
16 |
30 |
4 |
15 |
4 |
9 |
41 |
1 |
22 |
19 |
14 |
34 |
44 |
18 |
28 |
30 |
16 |
|
|
|
49 |
|
|
7 |
25 |
48 |
40 |
11 |
29 |
|
5 |
|
37 |
31 |
|
|
|
39 |
20 |
6 |
3 |
36 |
|
45 |
33 |
21 |
42 |
|
23 |
38 |
|
8 |
47 |
38 |
11 |
|
|
4 |
|
10 |
|
27 |
36 |
21 |
42 |
30 |
26 |
41 |
3 |
28 |
24 |
|
35 |
7 |
14 |
|
|
23 |
43 |
29 |
17 |
39 |
|
1 |
15 |
12 |
|
|
16 |
18 |
|
5 |
|
32 |
|
49 |
|
8 |
2 |
33 |
|
45 |
21 |
|
36 |
39 |
23 |
43 |
|
49 |
42 |
|
|
|
10 |
35 |
25 |
40 |
|
6 |
16 |
12 |
26 |
|
38 |
13 |
22 |
3 |
|
8 |
15 |
1 |
19 |
32 |
33 |
|
|
|
|
2 |
|
4 |
46 |
18 |
17 |
|
31 |
7 |
14 |
29 |
34 |
12 |
|
|
|
|
|
1 |
22 |
|
33 |
44 |
|
3 |
9 |
31 |
|
27 |
29 |
42 |
|
18 |
|
|
49 |
|
48 |
37 |
|
19 |
23 |
43 |
6 |
40 |
14 |
41 |
5 |
21 |
|
39 |
11 |
|
46 |
|
28 |
|
4 |
17 |
35 |
|
23 |
|
|
49 |
|
|
4 |
10 |
41 |
37 |
1 |
|
43 |
6 |
24 |
34 |
29 |
|
46 |
19 |
48 |
|
2 |
18 |
14 |
7 |
|
44 |
|
9 |
31 |
45 |
17 |
15 |
28 |
26 |
|
|
42 |
16 |
5 |
|
|
|
|
|
21 |
39 |
48 |
22 |
|
21 |
2 |
7 |
|
9 |
30 |
23 |
|
42 |
36 |
29 |
|
|
17 |
|
|
33 |
32 |
|
43 |
6 |
45 |
40 |
16 |
44 |
13 |
|
35 |
20 |
3 |
|
|
39 |
41 |
|
11 |
|
10 |
18 |
|
28 |
4 |
46 |
34 |
|
47 |
|
41 |
3 |
24 |
35 |
21 |
23 |
|
9 |
|
|
30 |
|
|
|
8 |
44 |
|
|
|
|
29 |
12 |
13 |
39 |
28 |
2 |
32 |
15 |
25 |
|
36 |
|
37 |
|
18 |
45 |
40 |
7 |
48 |
|
27 |
|
|
38 |
|
19 |
20 |
34 |
35 |
17 |
|
19 |
37 |
41 |
46 |
|
|
|
|
|
|
31 |
45 |
3 |
9 |
18 |
|
12 |
14 |
23 |
|
15 |
|
33 |
13 |
16 |
5 |
11 |
40 |
47 |
|
|
24 |
27 |
20 |
6 |
26 |
43 |
29 |
|
|
32 |
42 |
25 |
|
8 |
48 |
|
|
7 |
|
26 |
|
33 |
47 |
1 |
8 |
30 |
2 |
18 |
35 |
10 |
43 |
|
39 |
13 |
4 |
|
34 |
|
|
24 |
|
|
25 |
46 |
|
14 |
38 |
17 |
16 |
40 |
44 |
21 |
|
19 |
20 |
12 |
49 |
41 |
|
|
|
23 |
11 |
|
|
|
35 |
42 |
21 |
1 |
48 |
38 |
|
39 |
|
27 |
14 |
2 |
29 |
|
7 |
26 |
36 |
6 |
24 |
11 |
23 |
|
|
30 |
32 |
47 |
|
20 |
|
|
|
34 |
13 |
45 |
9 |
17 |
18 |
4 |
37 |
25 |
|
|
41 |
12 |
44 |
46 |
|
|
30 |
19 |
|
9 |
|
|
40 |
20 |
29 |
44 |
39 |
21 |
23 |
|
34 |
47 |
4 |
35 |
|
|
27 |
|
3 |
7 |
|
28 |
10 |
41 |
|
18 |
25 |
|
46 |
|
|
37 |
15 |
31 |
|
14 |
17 |
12 |
|
1 |
|
5 |
|
2 |
|
27 |
|
14 |
45 |
|
31 |
32 |
21 |
2 |
8 |
37 |
16 |
15 |
25 |
10 |
4 |
43 |
17 |
39 |
20 |
42 |
18 |
|
6 |
34 |
|
|
24 |
|
|
5 |
19 |
22 |
46 |
|
12 |
11 |
30 |
41 |
33 |
48 |
9 |
3 |
36 |
|
26 |
|
7 |
|
19 |
|
|
44 |
|
|
24 |
33 |
22 |
4 |
31 |
32 |
|
|
7 |
15 |
16 |
|
36 |
47 |
|
|
5 |
35 |
|
21 |
|
|
|
12 |
|
13 |
20 |
30 |
|
28 |
43 |
42 |
|
|
40 |
23 |
|
48 |
38 |
17 |
34 |
46 |
|
|
23 |
15 |
34 |
46 |
|
22 |
8 |
|
48 |
13 |
|
4 |
30 |
|
|
36 |
18 |
37 |
45 |
21 |
42 |
19 |
2 |
|
|
24 |
49 |
|
20 |
6 |
|
5 |
28 |
31 |
|
9 |
16 |
12 |
|
1 |
47 |
14 |
|
|
10 |
3 |
27 |
3 |
|
24 |
20 |
17 |
|
28 |
16 |
48 |
37 |
19 |
|
23 |
6 |
|
47 |
38 |
21 |
|
|
10 |
12 |
13 |
46 |
|
7 |
45 |
18 |
34 |
|
27 |
4 |
9 |
42 |
25 |
15 |
|
|
|
32 |
2 |
41 |
40 |
39 |
44 |
35 |
8 |
|
11 |
|
13 |
17 |
|
5 |
|
8 |
43 |
|
6 |
|
24 |
|
32 |
48 |
|
|
12 |
16 |
9 |
|
|
19 |
4 |
46 |
26 |
|
31 |
|
29 |
|
35 |
|
38 |
|
|
39 |
2 |
|
49 |
25 |
30 |
45 |
|
23 |
3 |
27 |
|
37 |
|
8 |
1 |
|
14 |
3 |
44 |
|
18 |
5 |
|
25 |
20 |
48 |
|
|
39 |
|
|
19 |
6 |
36 |
31 |
23 |
|
12 |
41 |
2 |
26 |
45 |
|
|
40 |
|
|
29 |
38 |
16 |
|
28 |
30 |
|
27 |
4 |
33 |
|
9 |
37 |
|
5 |
|
15 |
11 |
23 |
|
14 |
44 |
13 |
35 |
|
38 |
12 |
|
|
29 |
|
25 |
|
2 |
|
32 |
|
1 |
48 |
10 |
36 |
|
|
40 |
16 |
37 |
|
|
4 |
17 |
|
41 |
|
19 |
|
34 |
6 |
|
7 |
|
3 |
39 |
|
16 |
|
22 |
29 |
28 |
12 |
15 |
18 |
41 |
19 |
|
|
|
7 |
49 |
2 |
45 |
46 |
30 |
|
9 |
20 |
47 |
42 |
|
5 |
37 |
27 |
4 |
|
|
40 |
25 |
6 |
|
23 |
17 |
|
39 |
1 |
31 |
21 |
8 |
|
10 |
14 |
43 |
|
32 |
29 |
6 |
10 |
|
|
13 |
47 |
17 |
|
25 |
31 |
45 |
|
20 |
39 |
11 |
|
22 |
12 |
|
34 |
37 |
|
|
43 |
24 |
15 |
9 |
18 |
16 |
36 |
28 |
|
|
8 |
2 |
|
27 |
44 |
|
32 |
38 |
|
23 |
19 |
48 |
40 |
|
|
22 |
44 |
38 |
26 |
10 |
|
30 |
46 |
|
|
11 |
3 |
33 |
|
13 |
21 |
24 |
|
5 |
|
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15 |
|
14 |
4 |
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39 |
2 |
|
9 |
29 |
47 |
|
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1 |
19 |
32 |
35 |
7 |
43 |
|
|
40 |
|
|
28 |
|
43 |
|
28 |
|
19 |
16 |
24 |
25 |
12 |
3 |
7 |
9 |
49 |
|
22 |
35 |
1 |
15 |
|
|
18 |
|
|
21 |
41 |
|
14 |
13 |
27 |
17 |
32 |
29 |
38 |
23 |
45 |
6 |
11 |
5 |
33 |
46 |
42 |
20 |
36 |
|
34 |
10 |
|
44 |
|
8 |
|
49 |
|
47 |
|
18 |
37 |
5 |
|
3 |
40 |
34 |
|
|
42 |
|
14 |
48 |
|
4 |
1 |
30 |
|
15 |
46 |
|
45 |
|
|
26 |
27 |
11 |
7 |
|
38 |
35 |
32 |
41 |
10 |
39 |
28 |
|
|
21 |
|
36 |
2 |
|
|
33 |
12 |
32 |
20 |
|
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27 |
40 |
17 |
24 |
22 |
43 |
49 |
47 |
39 |
|
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30 |
|
46 |
9 |
11 |
|
|
8 |
19 |
37 |
10 |
25 |
7 |
48 |
|
1 |
16 |
36 |
35 |
|
23 |
|
13 |
38 |
6 |
45 |
29 |
15 |
|
|
|
24 |
27 |
|
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39 |
29 |
4 |
49 |
16 |
|
47 |
42 |
33 |
46 |
20 |
34 |
41 |
|
23 |
5 |
|
|
22 |
|
|
28 |
|
43 |
44 |
10 |
|
48 |
38 |
36 |
13 |
1 |
21 |
3 |
15 |
8 |
7 |
|
11 |
|
45 |
|
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30 |
46 |
|
37 |
12 |
29 |
|
|
6 |
1 |
14 |
23 |
28 |
39 |
19 |
|
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35 |
27 |
38 |
11 |
17 |
36 |
25 |
|
21 |
|
22 |
45 |
47 |
|
44 |
10 |
8 |
2 |
4 |
|
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31 |
5 |
18 |
40 |
|
42 |
3 |
42 |
5 |
43 |
|
13 |
|
|
7 |
|
34 |
39 |
4 |
2 |
14 |
|
40 |
|
9 |
|
28 |
8 |
41 |
44 |
10 |
27 |
45 |
22 |
46 |
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23 |
25 |
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36 |
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|
18 |
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17 |
21 |
47 |
24 |
1 |
16 |
|
37 |
|
13 |
12 |
38 |
26 |
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30 |
43 |
|
23 |
|
8 |
34 |
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|
29 |
5 |
44 |
|
40 |
35 |
20 |
47 |
17 |
3 |
33 |
|
19 |
42 |
|
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31 |
|
|
11 |
22 |
25 |
|
2 |
36 |
24 |
|
27 |
6 |
41 |
|
9 |
45 |
40 |
49 |
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|
11 |
19 |
45 |
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46 |
26 |
41 |
36 |
28 |
1 |
4 |
|
31 |
|
27 |
43 |
44 |
16 |
|
17 |
9 |
14 |
|
48 |
34 |
21 |
42 |
12 |
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30 |
38 |
8 |
13 |
2 |
|
|
15 |
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|
24 |
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32 |
42 |
44 |
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46 |
|
1 |
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3 |
36 |
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17 |
11 |
5 |
2 |
23 |
16 |
31 |
33 |
24 |
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45 |
34 |
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28 |
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30 |
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41 |
6 |
13 |
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4 |
43 |
7 |
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14 |
40 |
|
8 |
12 |
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48 |
20 |
27 |
1 |
41 |
25 |
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33 |
42 |
48 |
14 |
|
13 |
|
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16 |
10 |
20 |
23 |
11 |
26 |
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29 |
9 |
4 |
49 |
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35 |
36 |
34 |
8 |
|
44 |
2 |
3 |
37 |
|
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6 |
24 |
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22 |
31 |
39 |
30 |
|
47 |
15 |
|
3 |
20 |
1 |
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45 |
|
21 |
|
30 |
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8 |
48 |
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37 |
2 |
41 |
|
5 |
43 |
33 |
17 |
14 |
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35 |
15 |
11 |
|
42 |
46 |
28 |
18 |
10 |
19 |
29 |
49 |
4 |
44 |
|
9 |
|
47 |
|
|
24 |
13 |
6 |
44 |
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30 |
31 |
|
8 |
27 |
45 |
17 |
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6 |
47 |
9 |
40 |
18 |
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32 |
22 |
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15 |
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7 |
29 |
2 |
34 |
33 |
28 |
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41 |
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26 |
24 |
20 |
10 |
37 |
38 |
42 |
14 |
11 |
46 |
43 |
39 |
25 |
21 |
25 |
34 |
6 |
|
7 |
30 |
9 |
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35 |
20 |
41 |
19 |
29 |
36 |
|
33 |
46 |
42 |
10 |
|
16 |
40 |
|
24 |
23 |
17 |
5 |
|
|
49 |
|
15 |
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32 |
11 |
|
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47 |
13 |
48 |
22 |
28 |
37 |
27 |
|
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1 |
26 |
31 |
45 |
34 |
16 |
|
15 |
4 |
8 |
39 |
40 |
|
7 |
17 |
1 |
23 |
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35 |
47 |
28 |
3 |
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30 |
21 |
49 |
25 |
11 |
29 |
|
14 |
27 |
22 |
33 |
|
9 |
36 |
48 |
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42 |
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46 |
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26 |
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37 |
20 |
32 |
19 |
18 |
46 |
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2 |
4 |
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16 |
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31 |
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9 |
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37 |
21 |
12 |
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22 |
17 |
33 |
14 |
24 |
8 |
42 |
47 |
40 |
26 |
1 |
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45 |
39 |
36 |
49 |
5 |
35 |
23 |
48 |
|
11 |
44 |
7 |
3 |
|
32 |
18 |
30 |
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49 |
40 |
42 |
27 |
18 |
34 |
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12 |
45 |
33 |
13 |
38 |
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19 |
30 |
7 |
|
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8 |
|
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3 |
39 |
6 |
14 |
47 |
9 |
|
23 |
|
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|
43 |
10 |
44 |
48 |
24 |
20 |
15 |
11 |
35 |
|
5 |
|
22 |
|
39 |
14 |
29 |
40 |
4 |
36 |
|
5 |
25 |
31 |
26 |
20 |
10 |
|
11 |
|
|
33 |
|
34 |
30 |
38 |
7 |
|
|
48 |
17 |
49 |
|
44 |
|
|
18 |
15 |
12 |
|
46 |
8 |
6 |
9 |
28 |
37 |
|
2 |
24 |
21 |
|
|
42 |
4 |
9 |
31 |
|
25 |
47 |
|
35 |
42 |
16 |
|
|
|
28 |
|
|
8 |
|
3 |
29 |
17 |
44 |
1 |
48 |
32 |
41 |
10 |
|
21 |
36 |
|
|
5 |
19 |
20 |
46 |
43 |
23 |
37 |
22 |
49 |
6 |
|
26 |
2 |
|
33 |
18 |
|
17 |
43 |
|
9 |
|
|
|
|
|
4 |
22 |
12 |
7 |
46 |
28 |
15 |
37 |
2 |
|
41 |
29 |
24 |
|
35 |
38 |
19 |
39 |
|
33 |
23 |
48 |
|
42 |
|
6 |
25 |
3 |
|
49 |
45 |
34 |
36 |
|
18 |
5 |
11 |
31 |
|
1 |
|
|
|
38 |
|
20 |
|
3 |
|
21 |
43 |
32 |
37 |
41 |
46 |
45 |
23 |
13 |
25 |
7 |
1 |
47 |
5 |
|
16 |
|
49 |
|
42 |
8 |
28 |
34 |
12 |
39 |
26 |
33 |
|
10 |
27 |
18 |
35 |
31 |
48 |
|
9 |
22 |
14 |
|
36 |
Showing puzzle number: 8
Puzzletype: Symmetrical Sudoku
Startnumbers: 1672
Difficulty: Very easy (0)
Solution methods:
SiSo SC Solve puzzle Show solution Print