Numbers 2:15 (KJV)

On the south side shall be the standard of the camp of Reuben according to their armies: and the captain of the children of Reuben shall be Elizur the son of Shedeur.

And his host, and those that were numbered thereof, were forty and six thousand and five hundred.

And those which pitch by him shall be the tribe of Simeon: and the captain of the children of Simeon shall be Shelumiel the son of Zurishaddai.

And his host, and those that were numbered of them, were fifty and nine thousand and three hundred.

Then the tribe of Gad: and the captain of the sons of Gad shall be Eliasaph the son of Reuel.

All that were numbered in the camp of Reuben were an hundred thousand and fifty and one thousand and four hundred and fifty, throughout their armies. And they shall set forth in the second rank.

Then the tabernacle of the congregation shall set forward with the camp of the Levites in the midst of the camp: as they encamp, so shall they set forward, every man in his place by their standards.

On the west side shall be the standard of the camp of Ephraim according to their armies: and the captain of the sons of Ephraim shall be Elishama the son of Ammihud.

And his host, and those that were numbered of them, were forty thousand and five hundred.

And by him shall be the tribe of Manasseh: and the captain of the children of Manasseh shall be Gamaliel the son of Pedahzur.