Rashi on Numbers 10:12/רש"י על במדבר י׳:י״ב

1למסעיהם means, in accordance with the regulations set forth for the journeys of their divisions — which should be the first to set out and which the last.

2במדבר פראן IN THE WILDERNESS OF PARAN — The place “Kibroth-hattavah” (Numbers 12:34) was in the wilderness of Paran and there they encamped after this journey (cf. Numbers 33:16—17 with our verse and with Numbers 11:34—35).