14
0.0 0.0
0.0 0.5
0.0 1.0
0.5 0.0
0.5 0.5
0.5 1.0
1.0 0.5
1.0 1.0
1.5 0.0
1.5 0.5
1.5 1.0
2.0 0.0
2.0 0.5
2.0 1.0