product-codes/html/trial493-16816_gaz_012_8mm_source.html

%%MatrixMarket matrix coordinate real general

4 9 20

1 1          1

1 2          1

1 4          1

1 7          1

1 8          1

1 9          1

2 2          1

2 3          1

2 6          1

2 8          1

2 9          1

3 1          1

3 2          1

3 3          1

3 5          1

3 8          1

4 1          1

4 2          1

4 4          1

4 9          1