Dat   X    Y
0.1  0.0  0.0
0.2  2.0  0.0
0.3  5.0  0.0
0.4  3.0  1.0
0.5  1.0  2.0
0.6  3.0  2.0
0.7  5.0  2.0
0.8  5.0  4.0
0.9  0.0  5.0  
1.0  3.0  5.0
