חֲמִשִּׁ֣ים לֻלָאֹ֗ת עָשָׂה֮ בַּיְרִיעָ֣ה הָאֶחָת֒ וַחֲמִשִּׁ֣ים לֻלָאֹ֗ת עָשָׂה֙ בִּקְצֵ֣ה הַיְרִיעָ֔ה אֲשֶׁ֖ר בַּמַּחְבֶּ֣רֶת הַשֵּׁנִ֑ית מַקְבִּילֹת֙ הַלֻּ֣לָאֹ֔ת אַחַ֖ת אֶל־אֶחָֽת׃
Fifty loops made he in the one curtain, and fifty loops made he in the edge of the curtain that was in the second set; the loops were opposite one to another.
Read midrashic interpretation of Exodus 36:12: and classical rabbinic exegesis.