# This example was contributed by Rachid Seghir <rachid.seghir@gmail.com>
11 9
0   1  -2  -3   0   4   3   0   2
1   0   1   0   0   0   0   0  -1
1   0  -1   0   0   0   0   1   0
1   0   0   1   0   0   0   0  -1
1   0   0  -1   0   0   0   1   0
1   0   0   0   1   0   0   0  -1
1   0   0   0  -1   0   0   1   0
1   0   0   0   0   1   0   0  -1
1   0   0   0   0  -1   0   1   0
1   0   0   0   0   0   1   0  -1
1   0   0   0   0   0  -1   1   0

E 5
P 1

N


