וּשְׁקֻפִ֖ים שְׁלֹשָׁ֣ה טוּרִ֑ים וּמֶחֱזָ֥ה אֶל־מֶחֱזָ֖ה שָׁלֹ֥שׁ פְּעָמִֽים׃
And there were beams in three rows; and light was over against light in three ranks.
Read Kabbalistic (mystical) interpretations of I Kings 7:4: Zohar and classical Jewish mystical sources, free online.