C1

C2

C3

C4

Weights

C1

1, 1, 1

7/9, 7/6, 5/3

5/8, 8/3, 11/3

4, 5, 6

0.6544

C2

3/5, 6/7, 9/7

1, 1, 1

2, 3, 4

11/3, 14/3, 17/3

0.2565

C3

3/11, 3/8, 3/5

1/4, 1/3, 1/2

1, 1, 1

5/3, 7/3, 6

0.0605

C4

1/6, 1/5, 1/4

3/17, 3/14, 3/11

1/6, 3/7, 3/5

1, 1, 1

0.0287