11

-5 0      7 2
5 -4 6 1 -4 6 1 -4 6 1 -4 6 1 -4 6 1 -4 5

-100 10   5 0
5 4 3 2 1

0 0       4 3
5 7 10 6 8 10 5 7 9 10

1 -1      4 0
0 0 0 0

-1 -1     4 1
1e-20 0 0 0 0 0 0

0 -1      4 1
0 0 0 0 0 1e-20 0

0  0      1 0
3

-1 -1    3 0
0 0 0

-1 -1    4 0
2 2 2 2

-1 -1    5 2
3 0 3 0 0 3 0 0 3 0 0 3

-1 -1    5 2
3 0 3 1e-20 0 3 0 0 3 0 0 3
11

-5 0      7 2
5 -4 6 1 -4 6 1 -4 6 1 -4 6 1 -4 6 1 -4 5

-100 10   5 0
5 4 3 2 1

0 0       4 3
5 7 10 6 8 10 5 7 9 10

1 -1      4 0
0 0 0 0

-1 -1     4 1
1e-20 0 0 0 0 0 0

0 -1      4 1
0 0 0 0 0 1e-20 0

0  0      1 0
3

-1 -1    3 0
0 0 0

-1 -1    4 0
2 2 2 2

-1 -1    5 2
3 0 3 0 0 3 0 0 3 0 0 3

-1 -1    5 2
3 0 3 1e-20 0 3 0 0 3 0 0 3