
#   
6 4 

0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
2 
0 
0 
0 


#dlghldlA
4 4
0 0 0 0  0 0 0 0 
0 0 0 0 0 0 0 0



2 2
-1 1 1 1

