What re the connotations of "Vay'hi bi'Neso'a ha'Machaneh"?
1.
Seforno: It means after the Cloud moved away from on top of the Mishkan - because, prior to that, they Levi'im were prohibited from entering the kodesh Kodashim.
2.
Rashbam: It means after the first two Degalim had broken camp.
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