C

B

A

C

B

A

A B C

0

1

2

2

1

0

A C B

1

0

2

1

2

0

B A C

0

2

1

2

0

1

B C A

1

2

0

1

0

2

Borda scale β

0.5

1.25

1.25

reverse Borda scale β ¯

1.5

0.75

0.75

nega n β ¯

6

3

3