Interface wave. l= 7.07. 
P N I T s 
100 0
2
100 1500 0 0 0 1 0
100 5000 2000 0.1 0.2 3.0  -1. 7.07
95
90 90 1 1
1050 1650
128 1 64
0 2 20 .5
0 60 12 10