
# 0 
0 17 



#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







# k 
3 3 
5 3 17 8 
0 7 
1 17 
0 


#lfglfgl
2 1
2 2
#lsfls
#lsdfklslk
#slgfkllkgfs
#slfklskdfl
#lflka
#dlghldlA

#dlkfgfd
4 4
0 0 0 0  0 0 0 0 
0 0 0 0 0 0 0 0

1 2
2 1
