וּמִצְרַ֣יִם מְקַבְּרִ֗ים אֵת֩ אֲשֶׁ֨ר הִכָּ֧ה יְהוָ֛ה בָּהֶ֖ם כָּל־בְּכ֑וֹר וּבֵאלֹ֣הֵיהֶ֔ם עָשָׂ֥ה יְהוָ֖ה שְׁפָטִֽים׃
while the Egyptians were burying them that the LORD had smitten among them, even all their first-born; upon their gods also the LORD executed judgments.
Read Kabbalistic (mystical) interpretations of Numbers 33:4: Zohar and classical Jewish mystical sources, free online.