5

×

6

5

×

2

6

×

7

4

×

9

7

×

7

6

×

4

6

×

3

11

×

5

11

×

3

4

×

8

13

×

2

23

×

2

7

×

5

17

×

3

2

×

10

31

×

2

3

×

13

3

×

21