5 X 4

(a)  

8 X 5

(a)  

9 X 7

(a)  

8 X 8

(a)  

7 X 3

(a)  

5 X 6

(a)  

1 X 9

(a)  

3 X 9

(a)  

4 X 1

(a)  

9 X 5

(a)  

6 X 1

(a)  

5 X 5

(a)  

9 X 4

(a)  

8 X 9

(a)  

8 X 8

(a)  

5 X 7

(a)  

6 X 7

(a)  

2 X 4

(a)  

1 X 2

(a)  

4 X 6

(a)  

5 X 8

(a)  

9 X 7

(a)  

0 X 3

(a)  

6 X 1

(a)  

4 X 9

(a)  

4 X 7

(a)  

2 X 2

(a)  

6 X 2

(a)  

9 X 2

(a)  

4 X 4

(a)  

2 X 8

(a)  

9 X 8

(a)  

6 X 3

(a)  

7 X 5

(a)  

4 X 9

(a)  

9 X 1

(a)  

7 X 7

(a)  

6 X 2

(a)  

5 X 5

(a)