solve sudoku puzzles

18:34

38:09

14:10

12:33

17:54

11:24

27:15

15:09

12:48

10:25

10:00

20:06

33:27

3:05

24:29

22:12

4:46

12:25

9:49

25:03

19:24

3:17

7:15

3:43

21:22

4:03

9:59

30:03

22:37

17:13

14:43

1:02

15:12

14:49

29:20

14:04

1:32:41

7:17

11:12

21:12