%%MatrixMarket matrix coordinate real general
3 8 12
1 3  1.0
1 4  2.0
1 6  3.0
1 8  4.0
2 2  5.0
2 3  6.0
2 5  7.0
2 8  8.0
3 1  9.0
3 3 10.0
3 5 11.0
3 6 12.0