8

-1 -1 1 1 5

 10
  1   9
  2  -1   7
  3   2   3  12
  4  -3  -5  -1  15

-1 0 1 1 5
1
1 1
1 1 1
1 1 1 1
1 1 1 1 1

0 -1 1 1 5
0
0 0
0 0 0
0 0 0 0
0 0 0 0 0

0 0 1 1 5
1e-20
0 0
0 0 0
0 0 0 0
0 0 0 0 0

-1 0 1 1 5
0
0 0
0 1e-16 0
0 0 0 0
0 0 0 0 0

0 0 0 0 1
5

0 0 0 0 4
1
0 1
0 0 1
0 0 0 1

0 0 0 0 4
1
0 1
0 0 1
1e-24 0 0 1
8

-1 -1 1 1 5

 10
  1   9
  2  -1   7
  3   2   3  12
  4  -3  -5  -1  15

-1 0 1 1 5
1
1 1
1 1 1
1 1 1 1
1 1 1 1 1

0 -1 1 1 5
0
0 0
0 0 0
0 0 0 0
0 0 0 0 0

0 0 1 1 5
1e-20
0 0
0 0 0
0 0 0 0
0 0 0 0 0

-1 0 1 1 5
0
0 0
0 1e-16 0
0 0 0 0
0 0 0 0 0

0 0 0 0 1
5

0 0 0 0 4
1
0 1
0 0 1
0 0 0 1

0 0 0 0 4
1
0 1
0 0 1
1e-24 0 0 1