8x2

(a)  

11x6

(a)  

6x5

(a)  

10x3

(a)  

12x4

(a)  

11x6

(a)  

12x5

(a)  

4x1

(a)  

5x3

(a)  

0x7

(a)  

3x5

(a)  

11x4

(a)  

10x0

(a)  

6x5

(a)  

1x2

(a)  

1x9

(a)  

10x2

(a)  

8x1

(a)  

3x8

(a)  

3x2

(a)  

12x5

(a)  

10x3

(a)  

8x1

(a)  

3x8

(a)  

7x9

(a)  

11x8

(a)  

5x6

(a)  

9x2

(a)  

0x9

(a)  

12x2

(a)  

0x6

(a)  

4x7

(a)  

0x2

(a)  

6x12

(a)  

5x0

(a)  

6x9

(a)  

10x5

(a)  

3x0

(a)  

12x8

(a)  

12x11

(a)  

12x2

(a)  

7x8

(a)  

9x4

(a)  

12x4

(a)  

2x4

(a)  

1x6

(a)  

2x5

(a)  

7x7

(a)  

10x6

(a)  

7x3

(a)  

10x1

(a)  

4x4

(a)  

11x12

(a)  

4x5

(a)  

8x1

(a)  

9x7

(a)  

1x2

(a)  

10x0

(a)  

6x10

(a)  

6x1

(a)  

3x1

(a)  

4x8

(a)  

1x3

(a)  

5x7

(a)  

1x0

(a)  

6x4

(a)  

1x10

(a)  

0x10

(a)  

5x0

(a)  

9x6

(a)  

10x3

(a)  

6x11

(a)  

0x7

(a)  

8x9

(a)  

11x7

(a)  

2x9

(a)  

11x4

(a)  

5x3

(a)  

0x9

(a)  

3x2

(a)  

0x1

(a)  

8x10

(a)  

7x1

(a)  

5x4

(a)  

3x12

(a)  

8x4

(a)  

5x5

(a)  

2x11

(a)  

7x0

(a)  

11x1

(a)  

4x12

(a)  

10x4

(a)  

11x10

(a)  

7x3

(a)  

12x9

(a)  

10x8

(a)  

2x11

(a)  

1x10

(a)  

11x12

(a)