He made fifty loops along the edge of the end curtain in the first set, and fifty loops along the edge of the corresponding curtain in the second set.
KJV
And he made fifty loops upon the uttermost edge of the curtain in the coupling, and fifty loops made he upon the edge of the curtain which coupleth the second.
ASV
And he made fifty loops on the edge of the curtain that was outmost in the coupling, and fifty loops made he upon the edge of the curtain which was outmost in the second coupling.