5

3.0  0.0  1.0  0.0  0.5
0.0  4.0  1.0  0.0  0.1
1.0  1.0  5.0  0.4  0.2
0.0  0.0  0.4  2.0  1.0
0.5  0.1  0.2  1.0  3.0