'One by one' in the Bible

In great grief they began to say to him, one by one: "Can it be I, Master?"

One by one he called up his master's debtors. 'How much do you owe my master?' he asked of the first.

The sea gave up its dead, and Death and the Lord of the Place of Death gave up their dead; and they were judged, one by one, each according to his actions.