graphkit-learn/datasets/Alkane/molecule021.ct

molecule020.ct
7 6
   -2.5981   -0.7500    0.0000 C
   -1.2990   -1.5000    0.0000 C
    0.0000   -0.7500    0.0000 C
    0.0000    0.7500    0.0000 C
   -1.2990    1.5000    0.0000 C
    1.2990   -1.5000    0.0000 C
    2.5981   -0.7500    0.0000 C
1 2  1  1
2 3  1  1
3 4  1  1
4 5  1  1
6 7  1  1
3 6  1  1