N fx
 4 
 0 
 97 
 491 
0
0
0
0
0
0
0
0
0
0
 1 
 598 
 472 
0
0
0
0
0
0
0
0
0
0
 102 
 380 
 475 
1
50
-1
0
0
0
0
0
0
0
 7 
 218 
 485 
0
29
59
12
0
0
0
0
0
0
Nlinks
 7 
-
 1 
 1 
-
 2 
 1 
-
 2 
 1 
-
 2 
 1 
-
 3 
 1 
-
 2 
 1 
-
 1 
 1 
-
 3 
 2 
-
 1 
 1 
-
 0 
 3 
-
 2 
 2 
-
 0 
 3 
-
 3 
 3 
-
 0 
 3 
