6/1 6/4

0/6 4/6

6/4 6/1

1/6 _x6/7

6/1 _x6/7 _x6/7

2/6 1/6

6/0 2/6 _x6/7

1/6 3/6

6/4 4/6 7/6_x

6/4 1/6 7/6_x

4/6 2/6

6/3 6/2

6/3 2/6 _x6/7

6/4 7/5

6/4 3/6 _x6/7

6/3 6/2

4/6 6/4 _x6/7

6/2 6/1

6/4 2/6 _x6/7

7/5 6/2

2/6 5/7

1/6 _x6/7

6/3 4/6 _x6/7

7/5 6/4

6/4 5/7 7/6_x

4/6 7/6_{x x}6/7

6/4 4/6 _x6/7

5/7 7/6_{x x}6/7

6/4 6/1

6/4 6/3

6/3 3/6 _x6/7

2/6 4/6

0/6 3/6

1/6 _x6/7

6/2 6/4

7/6_x 6/3

6/2 6/3

1/6 1/6

1/6 2/6

6/4 4/6 7/6_x

2/6 0/6

7/5 6/1

6/1 6/1

6/4 5/7 7/6_x

3/6 6/2 7/6_x

_x6/7 6/3 _x6/7

4/6 7/6_{x x}6/7

6/4 6/2

2/6 2/6

4/6 6/4 4/6

6/4 7/6_x

7/6_x 6/1

2/6 3/6

6/3 3/6 6/4