18 lines (17 with data), 245 Bytes

in3.ine
begin
13 7 integer
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0 -1 0 1 0 1 0 
0 0 1 -1 0 0 1 
0 1 1 0 -1 0 0 
0 0 0 0 -1 1 1 
0 1 0 1 0 -1 0 
0 0 0 0 1 -1 1 
0 0 1 1 0 0 -1 
0 0 0 0 1 1 -1 
0 1 0 -1 0 1 0 
12 -1 -1 -1 -1 -1 -1 
end