Look at the middle
Stare at the middle
Look at the centre with the corner of your eye
Look left to right, or right to left
Look left to right, or right to left
Look at the right two or the left two
Stare at the middle
Stare once again at the middle
Look from top to bottom
Stare at the middle
Look all over this one
In or out?
How many shapes? You decide…
Can you spot the grey shape without your eyes hurting?
Count the light coloured squares
Real or Not? You decide…
Stare at the middle
Look into the swirl
3D or 2D?
Falling into Oblivion
Indent or Shadow?
Stare at the middle
How many shapes?
Count the edges…
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