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Which of the four black shapes is identical to the red one? There may be more than one which is exactly the same.
[Ref: ZBQS] © Robert A. Hartmann.
Hint: Watch out for mirror images.


Which of the six black shapes is identical to the red one? There may be more than one that is exactly the same.
[Ref: ZNMV] © Robert A. Hartmann.
Hint: Watch out for mirror images.


Which of the five black shapes is identical to the red one? There may be more than one which is exactly the same.
[Ref: ZAUE] © Robert A. Hartmann.
Hint: You are looking for two shapes.


Which of the seven black shapes is identical to the red one? There may be more than one which is exactly the same.
[Ref: ZRFG] © Robert A. Hartmann.
Hint: B is the same as the red one, and two others.


Which of the six black shapes is/are identical to the red one? There may be more than one which is exactly the same.
[Ref: ZMZL] © Robert A. Hartmann.
Hint: You need to try and rotate them around in your head.


Which of the seven black shapes is identical to the red one? There may be more than one which is exactly the same.
[Ref: ZDYR] © Robert A. Hartmann.
Hint: You need to try and rotate them around in your head.
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