(Exodus 15:23) "And they came to Marah": R. Yehoshua says: Israel came to three places at that time, viz. "And they came to Marah." R. Elazar Hamodai says: They came to only one place. (The above requires elaborate commentary, which is beyond the scope of this translation.)
Rabbi Joshua Sees Three Distinct Stops Encoded in the Text, Suggesting
Mekhilta Tractate Vayassa 1:11