While the row of rooms on the side next to the outer court was fifty cubits long, the row on the side nearest the sanctuary was a hundred cubits long.
NIV
For the length of the [combined] chambers that were on the outer court was fifty cubits, while [the length] of those opposite the temple was a hundred cubits.
AMP
For the length of the chambers that were in the utter court was fifty cubits: and, lo, before the temple were an hundred cubits.
KJV