International Standard Version A passageway to the side chamber was constructed on the south side of the Temple by which people could ascend winding stairs to the middle story, then from there to the third story.
American Standard Version The door for the middle side-chambers was in the right side of the house: and they went up by winding stairs into the middle'story , and out of the middle into the third.
Young's Literal Translation The opening of the middle side is at the right shoulder of the house, and with windings they go up on the middle one, and from the middle one unto the third.