N fx
 3 
 0 
 20 
 599 
0
0
0
0
0
0
0
0
0
0
 1 
 572 
 603 
0
0
0
0
0
0
0
0
0
0
 40 
 306 
 603 
423
200
90
70
16
0
0
0
0
0
Nlinks
 6 
-
 1 
 1 
-
 0 
 2 
-
 1 
 1 
-
 2 
 1 
-
 2 
 2 
-
 0 
 2 
-
 2 
 2 
-
 2 
 1 
-
 3 
 3 
-
 0 
 2 
-
 3 
 3 
-
 2 
 1 
