9x12

(a)  

4x6

(a)  

11x11

(a)  

9x0

(a)  

4x12

(a)  

6x7

(a)  

12x12

(a)  

8x7

(a)  

9x7

(a)  

5x5

(a)  

6x3

(a)  

12x7

(a)  

9x8

(a)  

8x0

(a)  

11x4

(a)  

6x9

(a)  

11x10

(a)  

0x0

(a)  

9x2

(a)  

7x3

(a)  

8x5

(a)  

10x9

(a)  

11x6

(a)  

7x6

(a)  

9x9

(a)  

11x1

(a)  

6x0

(a)  

5x5

(a)  

2x5

(a)  

12x6

(a)  

11x9

(a)  

7x7

(a)  

8x1

(a)  

10x10

(a)  

3x0

(a)  

5x9

(a)  

10x2

(a)  

12x7

(a)  

10x1

(a)  

4x1

(a)  

6x4

(a)  

4x1

(a)  

2x8

(a)  

3x12

(a)  

11x5

(a)  

8x4

(a)  

10x4

(a)  

7x5

(a)  

3x3

(a)  

7x2

(a)  

11x8

(a)  

5x1

(a)  

2x0

(a)  

11x7

(a)  

9x10

(a)  

11x11

(a)  

10x7

(a)  

12x10

(a)  

4x1

(a)  

6x0

(a)  

6x2

(a)  

5x9

(a)  

6x3

(a)  

7x7

(a)  

2x3

(a)  

5x9

(a)  

8x8

(a)  

6x1

(a)  

8x8

(a)  

1x1

(a)  

12x9

(a)  

12x7

(a)  

7x0

(a)  

1,000x0

(a)