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Illusions
Is
the Square really there?
Impossible
staircase of squares?
What
do you see? A word? Or just black patches?
How
many shelves?
Impossible?
Duck
or Rabbit?
Face
or Eskimo?
Is
this Squares lines straight?
Are
the horizontal lines parallel?
The
lines are all parallel
Are
these truly squares
count
the black circles
Read
this aloud!
Which
way round is the book
stare
at this. can you see diagonal gray lines?
are
the lines straight?
stare
at this while moving your head or scrolling the page

A green, a white and 2 pink? no the pinks are the same
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