³

2

8

-1

1

1

³

3

9

-1

1

1

³

4

10

-1

1

1

³

4

11

-1

1

1

³

3

12

-1

1

1

³

4

13

-1

1

1

³

3

14

-1

1

1

³

5

15

-1

1

1

³

3

16

-1

1

1

³

2

17

1

=

19

18

1

£

1

19

1

£

0

20

1

£

0

21

1

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