Even/E

E/2

E/22

E/23

E/24

E/2n

2

1

22

2

1

6

3

23

4

2

1

10

5

12

6

3

14

7

24

8

4

2

1

18

9

20

10

5

22

11

24

12

6

3

26

13

28

14

7

30

15

25

16

8

4

2

34

17

Ex