FRAM IV. smooth ice
N J C 
10 90 3 0
9
-3 0 0 0 0 0 0
-3 3500 1750 0 0 0.9 0
0 1431 0 0 0 1 0
1 1431 -1443 0 0 1 0
85 1443 -1460 0 0 1 0
200 1460 -1462 0 0 1 0
330 1462 -1466 0 0 1 0
1225 1466 -1508 0 0 1 0
3800 1508 0 1.0 0 1 0
30
10 4000 51 50
1410 1530
-1 1 2000

0 300 20 50
0 4000 12 500
70 100 3