# Language
c

# Context

    2 3
    1    1   -1
    1    0    1
0

# Number of statments
3

1
# { (i,j) | i >= 0, -i+j >= 0, 1 >= 0 }

    3 4
    1    1    0    0
    1   -1    1    0
    1    0    0    1

0 0 0
1
# { (i,j) | i-1 >= 0, -i+j >= 0, 1 >= 0 }

    3 4
    1    1    0   -1
    1   -1    1    0
    1    0    0    1

0 0 0
1
# { (i,j) | i >= 0, -i+j >= 0, 1 >= 0 }

    3 4
    1    1    0    0
    1   -1    1    0
    1    0    0    1

0 0 0
0
# Scattering functions
3

    4 7
    0    1    0    0    0    0    0
    0    0    1    0   -1    0    0
    0    0    0    1    0    0    0
    1    0    0    0    0    0    1


    4 7
    0    1    0    0    0    0   -1
    0    0    1    0   -1    0    0
    0    0    0    1    0    0    0
    1    0    0    0    0    0    1


    4 7
    0    1    0    0    0    0   -2
    0    0    1    0   -1    0    0
    0    0    0    1    0    0    0
    1    0    0    0    0    0    1

0