HETATM    1  H           1      -0.955  -1.023   0.207
HETATM    2  O           2      -0.949  -0.297  -0.405
HETATM    3  O           3       0.223   0.372  -0.044
HETATM    4  H           4      -0.101   1.244   0.147
CONECT    1    2
CONECT    2    1    3
CONECT    3    2    4
CONECT    4    3
END