11 9
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 0        0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0        0       
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 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        0        0        0       
 0        0        0        0        0        0        0        0        0       
 0        0        0        0        0        0        0        0        0