18-2

17-2

16-2

15-2

14-2

13-2

12-2

11-2

10-2

9-2

8-2

7-2

6-2

5-2

4-2

3-2

2-2

1-2

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

11-2

6-2

20

19

18

17

16

15

14

13

12

11

10

9