U 1

U 2

U 3

U 4

U 5

Weights

U 1

1

1/2

2

3

3

0.251

U 2

2

1

3

5

4

0.422

U 3

1/2

1/3

1

3

2

0.162

U 4

1/3

1/5

1/3

1

1/2

0.066

U 5

1/3

1/4

1/2

2

1

0.099