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| Look around the picture,Black Dots pop up in circles |
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| Appears to Roll Back and forth... |
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| Appears to Expand to left and right sides... |
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| Lines are perfectly straight,but appear to be crooked and move... |
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| Which Man Is Bigger? |
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| How Many Legs On The Elephant? |
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| Slanted or Straight? |
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| Which Center Circle is Bigger? |
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