Exodus 36 12
They made fifty loops on one curtain and fifty loops on the last curtain of the second set, lining up the loops with each another.
Compare with other 3 random translations
NLT Exodus 36:12The fifty loops along the edge of one curtain matched the fifty loops along the edge of the other curtain.
AMP Exodus 36:12He made fifty loops in the one curtain [of the first set] and fifty loops on the edge of the curtain which was in the second set; the loops were opposite one another.
NCV Exodus 36:12There were fifty loops on one curtain and fifty loops on the other curtain, with the loops opposite each other.