Cross reference
Exodus 36:12
12 Fifty loops made he in the one curtain, and fifty loops made he in the edge of the curtain that was in the second coupling: the loops were opposite one to another.
Exodus 26:5
5 Fifty loops shalt thou make in the one curtain, and fifty loops shalt thou make in the edge of the curtain that is in the second coupling; the loops shall be opposite one to another.
Exodus 26:10
10 And thou shalt make fifty loops on the edge of the one curtain that is outmost in the coupling, and fifty loops upon the edge of the curtain which is `outmost in' the second coupling.