¨ R þ -5m / Ý -M 4 A...n17 n16 n15 n20 .ª.0 þ Â&î -M 4 A +-M 4 A + -M 4 X ² A + »(( 1ñ...

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-5m

6 7

1 3 1

2

3

1

4

3

2

5

6 7

8

14 13

12

11

10

9

18

19

17

16

15

20

1.6m 10.2m 0.12m

, 6 16 17

7 8

9 15

1 5 18 25

1 2 3 4 5

6 7 8 9 10

11 12 13 14 15

16 17 18 19 20

21 22 23 24 25

1

3

2 3 4 5

6 7 8 9 10

1 10

4,5

2

7

6

5

4

3

0

9

8

4 ,-4m ,

4 3 1 -4m (130m) 2 -4m (140m) -4m (140m)

3 7

1 9

2 3 4 5

6 7 8 9 10

1

5

3

7

6

4

2

8

10

9

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