

# r1
4 4
-2 1 0 0
1 0 0 0
0 0 1 0
0 0 0 1

# r2
4 4
-2 1 0 2
1 0 0 4
0 0 1 0
0 0 0 1

# domaine
4 5
# i j N c
1 1 0  0 -3
1 -1 0 1 0
1 -2 1  0 -1
1 7 -3 0 0

# contexte
0 3
