There is a dynamic thrust to this unexpected pattern; it never ceases to surprise.
Clearly, a designer's eye has been at work finding unexpected visual patterns - the repetition of "W" in a spider's web, for instance.
The process led him to unexpected patterns that he developed into delicate and mysterious scenes.
Seemingly separate things in the world are in fact connected, and there are unexpected patterns in randomness.
The dusk and the shifting leaves made it hard to see, throwing unexpected patterns of shadow in her way.
An unexpected pattern- or else something that doesn't fit an expected one.
There is your unexpected pattern, Captain.
Finally, they can be used to discover unexpected patterns present in the data set.
To explain this unexpected pattern, he imagined light traveling through space like a water wave, with crests and troughs.
I was merely calling to your attention an unexpected statistical pattern.