וְחָנ֖וּ בְּנֵ֣י יִשְׂרָאֵ֑ל אִ֧ישׁ עַֽל־מַחֲנֵ֛הוּ וְאִ֥ישׁ עַל־דִּגְל֖וֹ לְצִבְאֹתָֽם׃
And the children of Israel shall pitch their tents, every man with his own camp, and every man with his own standard, according to their hosts.
Read midrashic interpretation of Numbers 1:52: and classical rabbinic exegesis.