Numbers 2:9

2:9 All those numbered of the camp of Judah, according to their divisions, are 186,400. They will travel at the front.

Numbers 2:16

2:16 All those numbered of the camp of Reuben, according to their divisions, are 151,450. They will travel second.

Numbers 7:86

7:86 The twelve gold pans full of incense weighed 10 shekels each, according to the sanctuary shekel; all the gold of the pans weighed 120 shekels.

tn The verb is נָסָע (nasa’): “to journey, travel, set out,” and here, “to move camp.” Judah will go first, or, literally, at the head of the nation, when they begin to travel.