1/1

1/6

2/6

3/6

4/6

5/6

6/6

1/2

2/2

1/3

2/3

3/3

1/2

2/2

1/3

2/3

3/3

1/1

1/1

1/7

2/7

3/7

4/7

5/7

6/7

7/7

1/5

2/5

3/5

4/5

5/5

1/5

2/5

3/5

4/5

5/5

1/1