29 lines (28 with data), 645 Bytes

in6.ine
begin
23 11 integer
1 1 1 1 1 1 1 1 1 1 0 
2 -2 -3 8 1 2 3 3 2 2 -9 
3 6 -3 -8 2 2 0 0 -2 0 -9 
4 -9 -3 1 -3 2 1 1 1 3 -9 
5 9 -2 -2 4 2 3 0 0 -1 -5 
6 -3 -2 -5 4 1 -3 -9 -1 2 -7 
7 -9 -3 -5 -2 2 4 -2 4 -1 -7 
8 -8 -4 5 -2 2 4 -2 4 -1 -7 
9 -7 -5 -5 -2 2 4 -2 4 -1 -7 
10 -6 -6 5 -2 2 4 -2 4 -1 -7 
11 -5 -7 -5 -2 2 4 -2 4 -1 -7 
12 -4 -8 5 -2 2 4 -2 4 -1 -7 
13 -3 -9 -5 -2 2 4 -2 4 -1 -7 
0 1 0 0 0 0 0 0 0 0 0 
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0 0 0 1 0 0 0 0 0 0 0 
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0 0 0 0 0 0 0 1 0 0 0 
0 0 0 0 0 0 0 0 1 0 0 
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0 0 0 0 0 0 0 0 0 0 1 
end
nonnegative