Parallel
Exodus 32:16
Swete's Septuagint · Berean Standard Bible
καὶ αἱ πλάκες ἔργον θεοῦ ἦσαν, καὶ ἡ γραφὴ γραφὴ θεοῦ κε κεκολαμμένη ἐν ταῖς πλαξίν.
The tablets were the work of God, and the writing was the writing of God, engraved on the tablets.