And a Happy New Year!
How to view it:
Position yourself right in front of it, don't look from an angle but straight at it.
Next, don't pay attention to the pattern. Instead try to look through the picture. An example would be if you put your two index fingers pointing at each other and toughing with the tips in front of your eyes and concentrate on something further away, you'll see something like a floating ball between your fingers.
Try that with the image and try to vary the fictional distance or keep that distance and slowly move away or towards it physically.
When a shape starts to form carefully focus on it.
Lil' cheat sheet: [link]