Ragu various figs

Compare exp 13 and 14

1. k=1
2. k=2
3. k=3
4. k=4
5. k=5
6. k=6
7. k=7

1. k=1
2. k=2
3. k=3
4. k=4
5. k=5
6. k=6
7. k=7
8. k=8
9. k=9