$U_{31}$

$U_{32}$

$U_{33}$

$U_{34}$

$U_{35}$

Weights

$U_{31}$

1

3

2

3

4

0.396

$U_{32}$

1/3

1

1/2

1

2

0.135

$U_{33}$

1/2

2

1

3

4

0.277

$U_{34}$

1/3

1

1/3

1

1

0.108

$U_{35}$

1/4

1/2

1/4

1

1

0.084