C1

C2

C3

C4

C5

C1

1

7

5

5

3

C2

1/7

1

1/3

1/2

1/3

C3

1/5

3

1

3

3

C4

1/5

2

1/3

1

1/3

C5

1/3

3

1/3

3

1