N fx
 3 
 0 
 509 
 438 
4
0
400
3500
2
-1
0
0
0
0
 1 
 796 
 456 
0
0
0
0
0
0
0
0
0
0
 77 
 638 
 464 
0
30
-1
67
1
0
0
0
0
0
Nlinks
 6 
-
 1 
 1 
-
 0 
 2 
-
 2 
 2 
-
 0 
 2 
-
 3 
 3 
-
 0 
 2 
-
 1 
 1 
-
 2 
 1 
-
 2 
 2 
-
 2 
 1 
-
 3 
 3 
-
 2 
 1 
