5 5 15 1
0 0    2.3128893423956103e+00
0 1    2.0414504875924515e+00
1 1    2.3404148406122136e+00
0 2    1.3087150593318868e+00
1 2    1.0697105858626588e+00
2 2    1.1518495146909449e+00
0 3    1.8412759629133451e+00
1 3    1.6127622826156847e+00
2 3    9.9254946878554184e-01
3 3    1.5263467772586621e+00
0 4    1.1506154116930891e+00
1 4    8.5366433729208291e-01
2 4    5.8985415046641843e-01
3 4    8.4135254506414192e-01
4 4    9.2240833463986371e-01