$U_{11}$

$U_{12}$

$U_{13}$

$U_{14}$

Weights

$U_{11}$

1

1/4

1/3

1/2

0.095

$U_{12}$

4

1

2

3

0.467

$U_{13}$

3

1/2

1

2

0.278

$U_{14}$

2

1/3

1/2

1

0.160