16

×

2

4

×

7

5

×

6

9

×

5

3

×

7

17

×

2

3

×

6

2

×

19

2

×

3

2

×

11

12

×

3

2

×

5

13

×

3

20

×

2

4

×

11

23

×

2

8

×

2

2

×

21