Girl snapchats me four time in a row then doesn't respond?

So this girl who I'm pretty good friends with but never see has been snapchatting me a lot, as in I get at least one from her almost everyday. Today she sent four in a row and when I responded to one of them she didn't reply back, although it was opened. Does this mean she's not interested?
Girl snapchats me four time in a row then doesn't respond?
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