2 3

2

2 3

25 27 29

25 27 29

23

1/2 3/4

2

2 3

2

3

25 29

23

23 25

25 27 29

2 3

2 3

29

23 25

2 3

2

2

2 3

2

25 29

2 3

2 3

2

2

2 3

23

23

23

2 3

25 27 29