N fx
 3 
 0 
 238 
 459 
0
0
0
0
0
0
0
0
0
0
 1 
 454 
 452 
0
0
0
0
0
0
0
0
0
0
 113 
 346 
 446 
22
21
0
0
0
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 
