What does Deuteronomy 22:25 mean?

If a man is found lying with a woman married to a husband, then they shall both die, the man who lay with the woman and the woman. So you shall remove the evil from Israel.

If there is a young lady who is a virgin pledged to be married to a husband, and a man finds her in the city, and lies with her;

then you shall bring them both out to the gate of that city, and you shall stone them to death with stones; the lady, because she didn’t cry, being in the city; and the man, because he has humbled his neighbor’s wife. So you shall remove the evil from among you.

but to the lady you shall do nothing. There is in the lady no sin worthy of death; for as when a man rises against his neighbor, and kills him, even so is this matter;

for he found her in the field, the pledged to be married lady cried, and there was no one to save her.

If a man finds a lady who is a virgin, who is not pledged to be married, grabs her, and lies with her, and they are found;