3/4 5/6 7/8 9/10 11/12 13/14 15/16 4/5

2 3 4 5 6

3/4 5/6 7/8 9/10 11/12 13/14 15/16 4/5

3/4 5/6 7/8 9/10 11/12 13/14 4/5

2 4 6 8 10 12 14 16

2 4 6

2 4 6 8 10 12 14 16

4 6 8 10 12