10 8
 0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0       
 0        0        1        0        0        0        0        0       
 0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0