Numbers 2:18-21

ISV(i) 18 Western Encampment Order“Toward the west is to be the division of the camp of Ephraim under their standard. The leader of Ephraim is to be Ammihud’s son Elishama. 19 Those in his division number 40,500.
20 “The tribe of Manasseh is to encamp beside them. The leader of Manasseh is to be Pedahzur’s son Gamaliel. 21 Those in his division number 32,200.