# Language
c

# Context

# {n>=20}
    1 3
    1    1  -20
0

# Number of statments
2

1
# {i,j | 0<=i<=10 1<=j<=i}

    4 5
    1    1    0    0    -1
    1   -1    0    0    10
    1    0    1    0    -1
    1    1   -1    0     0
0 0 0

1
# {i,j | 0<=i<=10 11<=j<=n}

    4 5
    1    1    0    0    -1
    1   -1    0    0    10
    1    0    1    0   -11
    1    0   -1    1     0
0 0 0

0
# Scattering functions
2

    5 10
    0    1    0    0    0    0    0    0    0    0
    0    0    1    0    0    0   -1    0    0    0
    0    0    0    1    0    0    0    0    0    0
    0    0    0    0    1    0    0   -1    0    0
    0    0    0    0    0    1    0    0    0    0

    5 10
    0    1    0    0    0    0    0    0    0    0
    0    0    1    0    0    0   -1    0    0    0
    0    0    0    1    0    0    0    0    0    0
    0    0    0    0    1    0    0   -1    0    0
    0    0    0    0    0    1    0    0    0    0


0