2 Samuel 12:31

31And he brought out the people who were in it and set them to labor with saws and iron picks and iron axes and made them toil at
Hebrew pass through
the brick kilns. And thus he did to all the cities of the Ammonites. Then David and all the people returned to Jerusalem.

1 Chronicles 20:3

3And he brought out the people who were in it and set them to labor
Compare 2 Samuel 12:31; Hebrew he sawed
cwith saws and iron picks and axes.
Compare 2 Samuel 12:31; Hebrew saws
And thus David did to all the cities of the Ammonites. Then David and all the people returned to Jerusalem.

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