0.0  0.0
0.0  1.0
0.0  2.0
0.0  3.0
0.0  4.0
0.5  0.0
0.5  1.0
0.5  2.0
1.0  0.0
1.0  0.5
1.0  1.0
1.0  2.0
1.0  3.0
1.0  4.0
2.0  2.0
2.0  2.5
2.0  3.0
2.0  4.0
2.5  0.0
2.5  0.5
2.5  1.0
2.5  2.0
2.5  2.5
2.5  3.0
3.0  1.0
3.0  2.0
3.0  2.5
3.0  3.0
3.0  4.0
3.5  1.0
3.5  2.5
3.5  4.0
4.0  0.0
4.0  0.5
4.0  1.0
4.0  2.5
4.0  4.0