Sudoku puzzles 7x7 (Su Doku)
My database includes 18 puzzles for the moment and I'm constantly generating more.
Rules: Fill in the grid so that every row, every column, and every 7x7 box contains the digits 1 through 49. There is only 1 solution for each puzzle.
For more information check out Wikipedia.
196880 puzzles downloaded.
|
|
|
|
|
43 |
30 |
27 |
|
41 |
|
1 |
47 |
21 |
10 |
|
9 |
17 |
36 |
42 |
35 |
48 |
|
38 |
39 |
16 |
14 |
37 |
46 |
|
44 |
7 |
|
|
5 |
|
|
|
45 |
|
33 |
8 |
|
23 |
32 |
12 |
|
|
|
40 |
24 |
|
1 |
|
|
13 |
46 |
34 |
42 |
|
39 |
|
15 |
26 |
|
|
|
16 |
41 |
|
9 |
12 |
31 |
29 |
20 |
|
32 |
43 |
|
|
|
23 |
3 |
|
18 |
5 |
|
22 |
7 |
|
|
47 |
|
|
|
|
11 |
30 |
|
37 |
46 |
|
|
42 |
44 |
|
12 |
29 |
17 |
|
|
48 |
|
|
8 |
|
|
18 |
5 |
|
27 |
11 |
|
|
25 |
|
|
41 |
|
24 |
30 |
9 |
|
23 |
21 |
20 |
|
35 |
16 |
26 |
6 |
3 |
|
|
|
15 |
36 |
32 |
36 |
25 |
5 |
|
41 |
12 |
|
49 |
28 |
9 |
6 |
|
|
|
23 |
|
4 |
|
|
27 |
21 |
15 |
|
|
19 |
|
|
11 |
16 |
|
18 |
|
|
|
|
|
47 |
|
|
17 |
|
43 |
42 |
20 |
|
|
|
|
47 |
|
|
19 |
|
4 |
7 |
|
|
|
43 |
|
|
11 |
44 |
32 |
21 |
22 |
|
38 |
|
|
17 |
|
|
3 |
|
10 |
|
2 |
|
|
40 |
6 |
1 |
46 |
41 |
48 |
|
49 |
30 |
29 |
31 |
|
|
16 |
39 |
25 |
|
|
16 |
20 |
8 |
31 |
|
|
|
|
|
22 |
|
|
2 |
|
3 |
|
|
48 |
15 |
40 |
|
7 |
|
30 |
|
|
44 |
|
35 |
|
39 |
26 |
29 |
|
|
12 |
9 |
|
|
25 |
|
|
|
41 |
27 |
10 |
49 |
4 |
|
17 |
|
15 |
|
11 |
28 |
|
|
32 |
26 |
|
37 |
45 |
47 |
|
|
30 |
|
49 |
6 |
|
42 |
|
23 |
|
|
|
38 |
|
|
8 |
12 |
13 |
4 |
|
|
|
34 |
24 |
|
31 |
|
|
|
2 |
|
|
40 |
|
22 |
11 |
|
12 |
|
|
37 |
31 |
|
36 |
|
|
25 |
|
|
|
|
46 |
24 |
9 |
|
2 |
|
4 |
|
|
18 |
|
|
|
3 |
28 |
|
15 |
17 |
20 |
|
|
|
26 |
7 |
40 |
|
|
|
5 |
14 |
|
49 |
|
|
|
|
|
3 |
|
11 |
12 |
38 |
41 |
|
46 |
|
|
18 |
10 |
34 |
|
37 |
5 |
|
23 |
22 |
|
|
16 |
|
|
|
35 |
|
7 |
|
|
36 |
|
40 |
31 |
8 |
28 |
|
|
48 |
30 |
29 |
39 |
27 |
|
|
|
|
|
|
|
|
|
|
24 |
44 |
49 |
18 |
48 |
|
28 |
36 |
35 |
16 |
38 |
|
|
|
|
27 |
29 |
|
|
|
|
20 |
8 |
23 |
13 |
30 |
|
42 |
41 |
|
9 |
|
15 |
33 |
|
|
1 |
2 |
46 |
|
|
|
|
|
35 |
29 |
7 |
|
40 |
8 |
|
|
28 |
|
11 |
12 |
|
|
3 |
|
43 |
48 |
39 |
36 |
|
|
34 |
|
|
2 |
14 |
44 |
49 |
|
33 |
47 |
|
27 |
46 |
22 |
19 |
|
|
|
|
17 |
32 |
13 |
10 |
|
8 |
|
|
|
40 |
39 |
6 |
1 |
4 |
|
34 |
|
42 |
|
32 |
|
41 |
|
47 |
17 |
30 |
3 |
25 |
14 |
13 |
|
33 |
29 |
22 |
|
|
|
|
|
|
11 |
|
44 |
2 |
12 |
|
24 |
|
38 |
9 |
|
18 |
31 |
28 |
21 |
7 |
34 |
13 |
27 |
|
19 |
33 |
|
29 |
15 |
9 |
|
6 |
|
|
|
|
|
|
41 |
|
10 |
|
|
|
17 |
|
|
5 |
42 |
|
25 |
|
18 |
23 |
14 |
37 |
|
38 |
20 |
36 |
22 |
|
|
26 |
|
36 |
6 |
1 |
16 |
|
39 |
38 |
|
|
48 |
|
47 |
|
30 |
21 |
13 |
|
29 |
8 |
|
33 |
|
20 |
45 |
26 |
|
|
31 |
|
24 |
40 |
|
|
|
9 |
|
|
|
4 |
|
10 |
15 |
3 |
37 |
|
43 |
49 |
|
12 |
46 |
|
|
|
37 |
|
|
|
41 |
|
|
|
29 |
|
34 |
4 |
|
|
|
14 |
|
|
19 |
7 |
16 |
|
|
|
28 |
|
|
|
13 |
2 |
43 |
11 |
|
18 |
|
|
39 |
|
|
38 |
47 |
26 |
22 |
45 |
|
|
19 |
36 |
23 |
|
|
|
|
|
47 |
|
|
43 |
1 |
|
33 |
|
16 |
|
|
10 |
|
|
46 |
|
|
4 |
|
|
38 |
15 |
37 |
|
20 |
44 |
|
|
|
|
26 |
|
|
34 |
|
|
21 |
|
13 |
49 |
|
38 |
|
17 |
27 |
|
41 |
4 |
26 |
21 |
|
19 |
5 |
|
32 |
49 |
36 |
|
|
28 |
|
13 |
47 |
|
18 |
|
|
|
|
31 |
39 |
|
11 |
14 |
24 |
|
|
2 |
46 |
|
29 |
20 |
|
48 |
|
44 |
|
|
9 |
20 |
|
|
28 |
|
26 |
10 |
42 |
38 |
|
|
|
27 |
|
8 |
45 |
|
9 |
|
|
|
|
|
|
|
12 |
49 |
36 |
48 |
18 |
29 |
32 |
21 |
|
|
|
37 |
7 |
44 |
22 |
19 |
|
24 |
|
|
5 |
|
41 |
33 |
|
4 |
3 |
6 |
11 |
44 |
49 |
|
33 |
|
|
10 |
|
8 |
18 |
29 |
|
40 |
19 |
|
25 |
41 |
|
|
14 |
45 |
22 |
43 |
30 |
17 |
|
|
5 |
|
|
|
15 |
|
|
47 |
1 |
48 |
35 |
28 |
|
|
32 |
|
20 |
22 |
1 |
|
39 |
40 |
|
21 |
|
|
|
15 |
|
9 |
|
43 |
|
23 |
26 |
|
37 |
30 |
|
|
|
|
|
48 |
8 |
7 |
49 |
10 |
19 |
47 |
|
|
|
3 |
36 |
|
|
13 |
42 |
|
29 |
|
25 |
18 |
|
6 |
48 |
|
|
|
|
|
31 |
|
16 |
|
|
49 |
|
32 |
|
|
|
|
20 |
46 |
|
44 |
|
37 |
|
|
38 |
|
40 |
36 |
35 |
|
|
22 |
34 |
27 |
|
45 |
30 |
|
14 |
|
|
39 |
17 |
|
|
7 |
1 |
5 |
30 |
|
18 |
|
|
36 |
28 |
|
34 |
19 |
33 |
|
|
20 |
|
49 |
27 |
10 |
|
23 |
37 |
|
|
46 |
42 |
35 |
|
26 |
|
|
|
|
44 |
3 |
14 |
24 |
|
|
1 |
|
|
38 |
7 |
39 |
15 |
6 |
|
|
6 |
41 |
|
|
19 |
|
|
21 |
|
23 |
47 |
|
7 |
|
33 |
12 |
|
|
14 |
31 |
22 |
|
28 |
|
32 |
|
18 |
|
|
48 |
9 |
34 |
|
36 |
42 |
|
8 |
44 |
43 |
38 |
27 |
|
|
|
5 |
3 |
40 |
|
16 |
17 |
|
40 |
11 |
|
|
33 |
2 |
20 |
39 |
18 |
|
6 |
|
|
42 |
|
47 |
7 |
|
|
14 |
|
25 |
24 |
38 |
|
27 |
19 |
5 |
|
22 |
45 |
|
23 |
|
|
|
|
16 |
35 |
21 |
9 |
13 |
28 |
37 |
30 |
|
43 |
|
|
|
46 |
14 |
|
4 |
|
|
8 |
48 |
27 |
10 |
|
|
37 |
16 |
|
|
45 |
1 |
29 |
31 |
|
|
|
36 |
49 |
35 |
7 |
|
|
39 |
41 |
|
|
23 |
33 |
2 |
11 |
|
|
21 |
|
18 |
34 |
|
|
|
26 |
|
43 |
35 |
20 |
15 |
24 |
1 |
36 |
44 |
|
|
|
|
5 |
|
29 |
25 |
|
6 |
3 |
11 |
|
16 |
19 |
48 |
|
7 |
|
|
14 |
46 |
|
28 |
|
|
45 |
|
9 |
39 |
42 |
40 |
27 |
|
|
49 |
8 |
|
23 |
44 |
|
42 |
37 |
21 |
|
|
|
24 |
14 |
46 |
26 |
12 |
|
2 |
39 |
|
13 |
11 |
40 |
|
|
4 |
|
6 |
|
20 |
|
16 |
43 |
8 |
|
|
31 |
10 |
|
49 |
|
36 |
18 |
|
17 |
|
|
35 |
|
|
47 |
48 |
|
|
39 |
9 |
23 |
16 |
32 |
|
|
35 |
|
|
22 |
17 |
28 |
48 |
|
|
|
|
19 |
|
1 |
26 |
33 |
|
|
12 |
15 |
|
38 |
49 |
18 |
|
47 |
|
|
37 |
20 |
34 |
|
30 |
36 |
|
|
11 |
|
44 |
14 |
23 |
2 |
|
|
32 |
30 |
|
|
44 |
|
40 |
28 |
|
38 |
35 |
19 |
|
|
27 |
26 |
49 |
|
22 |
|
|
37 |
|
6 |
|
8 |
25 |
|
|
|
|
42 |
|
15 |
|
|
12 |
|
33 |
|
|
|
|
|
39 |
39 |
|
41 |
36 |
|
3 |
|
31 |
1 |
|
|
48 |
21 |
|
|
|
45 |
18 |
9 |
12 |
16 |
26 |
49 |
|
|
|
|
|
22 |
15 |
|
10 |
38 |
|
46 |
|
27 |
|
13 |
|
|
|
2 |
|
25 |
47 |
|
6 |
19 |
16 |
|
29 |
|
|
7 |
9 |
6 |
8 |
15 |
|
|
32 |
|
|
|
46 |
|
|
17 |
36 |
3 |
5 |
27 |
45 |
|
|
1 |
12 |
|
21 |
44 |
|
47 |
35 |
48 |
|
10 |
|
|
37 |
|
30 |
41 |
13 |
42 |
31 |
18 |
|
37 |
46 |
|
45 |
|
|
35 |
|
14 |
43 |
27 |
22 |
25 |
|
|
|
33 |
3 |
42 |
39 |
8 |
4 |
13 |
29 |
|
|
|
|
|
|
|
48 |
|
1 |
41 |
|
19 |
|
|
|
23 |
9 |
26 |
12 |
|
7 |
|
|
44 |
8 |
|
|
20 |
|
12 |
|
3 |
47 |
|
29 |
9 |
|
|
25 |
38 |
5 |
|
22 |
11 |
|
|
|
|
44 |
|
16 |
33 |
|
13 |
|
|
17 |
34 |
7 |
|
4 |
31 |
|
21 |
6 |
39 |
46 |
|
15 |
28 |
|
40 |
|
19 |
11 |
|
22 |
|
|
1 |
|
|
13 |
|
|
|
|
31 |
21 |
|
14 |
30 |
34 |
|
|
9 |
|
|
41 |
|
|
27 |
|
|
6 |
|
40 |
|
28 |
44 |
|
|
45 |
|
|
|
|
|
35 |
23 |
29 |
|
|
15 |
27 |
34 |
4 |
21 |
|
|
45 |
|
|
46 |
|
26 |
41 |
7 |
13 |
|
|
|
20 |
|
|
|
12 |
43 |
40 |
|
|
11 |
|
|
|
16 |
39 |
|
1 |
|
|
|
49 |
|
|
|
8 |
|
|
|
37 |
25 |
|
5 |
14 |
|
46 |
16 |
15 |
39 |
|
2 |
|
|
|
13 |
|
|
|
40 |
7 |
|
20 |
|
|
41 |
26 |
44 |
|
31 |
|
47 |
1 |
|
43 |
32 |
24 |
|
30 |
|
48 |
|
|
45 |
8 |
|
29 |
27 |
22 |
3 |
|
26 |
|
|
43 |
24 |
15 |
49 |
|
31 |
37 |
42 |
38 |
|
46 |
|
19 |
28 |
|
|
32 |
|
|
|
34 |
|
39 |
|
|
|
|
|
|
30 |
|
13 |
25 |
17 |
|
20 |
18 |
|
7 |
4 |
14 |
10 |
48 |
23 |
41 |
30 |
|
7 |
3 |
|
1 |
|
8 |
32 |
6 |
|
14 |
|
|
|
|
|
|
49 |
4 |
41 |
|
16 |
19 |
38 |
29 |
43 |
24 |
25 |
|
13 |
|
33 |
|
37 |
|
40 |
|
31 |
12 |
45 |
5 |
17 |
|
|
|
44 |
|
42 |
4 |
34 |
37 |
|
|
|
|
10 |
35 |
19 |
1 |
|
44 |
47 |
|
25 |
31 |
12 |
45 |
|
|
49 |
|
|
27 |
7 |
30 |
11 |
|
40 |
|
|
20 |
17 |
|
29 |
|
|
42 |
15 |
|
43 |
5 |
26 |
|
|
|
|
|
29 |
12 |
18 |
|
|
33 |
20 |
|
46 |
|
34 |
7 |
|
36 |
9 |
10 |
1 |
37 |
|
|
|
|
40 |
13 |
|
|
|
|
45 |
3 |
49 |
28 |
41 |
|
48 |
44 |
6 |
16 |
38 |
|
|
|
|
|
|
|
|
|
|
42 |
10 |
45 |
31 |
28 |
|
|
43 |
27 |
30 |
25 |
|
13 |
|
|
26 |
|
8 |
|
|
|
36 |
|
|
47 |
9 |
|
48 |
39 |
|
16 |
15 |
4 |
|
|
49 |
|
19 |
35 |
41 |
7 |
|
32 |
|
|
|
|
|
34 |
|
13 |
44 |
|
|
|
19 |
45 |
29 |
|
|
|
48 |
16 |
39 |
|
47 |
23 |
|
|
|
6 |
|
|
3 |
|
37 |
|
5 |
42 |
7 |
|
|
|
|
22 |
|
|
1 |
|
4 |
36 |
|
|
49 |
|
33 |
20 |
|
34 |
|
|
12 |
|
|
|
41 |
|
25 |
11 |
|
|
|
36 |
35 |
22 |
46 |
|
|
44 |
|
|
|
49 |
|
17 |
|
14 |
39 |
|
9 |
|
|
2 |
45 |
48 |
|
33 |
19 |
|
|
42 |
43 |
|
24 |
|
8 |
|
15 |
27 |
28 |
43 |
10 |
|
|
|
48 |
|
|
34 |
45 |
|
|
9 |
37 |
39 |
|
1 |
|
7 |
|
|
31 |
|
23 |
|
13 |
30 |
42 |
|
|
11 |
|
41 |
|
|
47 |
|
|
|
|
|
44 |
33 |
14 |
3 |
|
|
35 |
4 |
30 |
|
|
8 |
13 |
10 |
24 |
|
36 |
3 |
33 |
49 |
18 |
27 |
|
|
19 |
|
25 |
|
44 |
|
|
1 |
|
|
34 |
|
17 |
7 |
26 |
28 |
39 |
|
|
29 |
|
|
|
11 |
40 |
|
48 |
|
|
15 |
|
|
|
|
45 |
19 |
23 |
|
42 |
|
|
37 |
|
|
|
|
|
15 |
|
20 |
43 |
|
|
14 |
|
|
41 |
3 |
32 |
|
|
40 |
|
35 |
|
|
|
22 |
21 |
27 |
34 |
|
25 |
30 |
|
13 |
12 |
36 |
2 |
1 |
18 |
|
|
|
25 |
39 |
38 |
23 |
20 |
|
43 |
17 |
27 |
|
34 |
3 |
42 |
|
32 |
|
|
36 |
|
|
24 |
21 |
|
49 |
44 |
|
|
10 |
|
|
9 |
|
|
37 |
8 |
15 |
|
28 |
45 |
|
|
7 |
46 |
|
14 |
7 |
|
|
|
|
42 |
|
|
46 |
31 |
|
35 |
19 |
|
5 |
25 |
|
|
|
48 |
34 |
|
12 |
20 |
15 |
47 |
9 |
|
22 |
45 |
|
|
|
36 |
16 |
|
49 |
|
23 |
28 |
6 |
39 |
|
|
4 |
|
1 |
17 |
|
|
|
21 |
16 |
36 |
|
14 |
9 |
|
49 |
|
|
|
40 |
|
|
41 |
47 |
|
12 |
27 |
43 |
28 |
35 |
2 |
|
42 |
29 |
33 |
18 |
38 |
48 |
|
19 |
5 |
13 |
46 |
|
17 |
|
44 |
22 |
34 |
|
|
|
|
|
Showing puzzle number: 18
Puzzletype: Symmetrical Sudoku
Startnumbers: 1306
Difficulty: Easy (0)
Solution methods:
SiSo SC SB Solve puzzle Show solution Print