hints for solving sudoku

1:32:41

10:47

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6:31

12:45

20:34

11:40

5:50

5:08

8:52

کوتاه

5:32

3:33

8:52

2:17

5:15

کوتاه

13:37

55:06

7:26

7:26

5:24

5:24

1:32

9:59

5:34

کوتاه

10:09

7:49

11:49

34:10

4:22

5:33

8:19

5:34

26:47

5:33

6:45

11:55

13:08