The tzalai (side) rooms were broader as they encompassed the mail (top/above) higher and higher; for the encompassing of the bayath (house) went higher and higher around the bayath (house): therefore the rachab (breadth) of the bayath (house) continued upward; and so one ilah (go up / offer) up from the thachathawan (lowest) room to the highest by the thayakawan (middle) room.