product-codes/html/trial411-572582_gbz_012_8mm_source.html

%%MatrixMarket matrix coordinate real general

3 7 12

1 3          1

1 5          1

1 6          1

1 7          1

2 1          1

2 4          1

2 5          1

2 6          1

3 1          1

3 2          1

3 6          1

3 7          1