0.0  3.0  4.0  2.0  7.0
3.0  0.0  4.0  6.0  3.0
4.0  4.0  0.0  5.0  8.0
2.0  6.0  5.0  0.0  6.0
7.0  3.0  8.0  6.0  0.0
