%%MatrixMarket matrix coordinate real general 5 5 12 1 1 2.0 5 5 1.0 2 1 3.0 2 3 4.0 3 2 -1.0 3 3 -3.0 1 2 3.0 2 5 6.0 3 4 2.0 4 3 1.0 5 2 4.0 5 3 2.0