TODO: Question 3 is on the unavailable printed pages 2–3. No statement, subpart structure or solution is inferred from a different paper.
TODO: Question 2 is on the unavailable printed pages 2–3. No statement, subpart structure or solution is inferred from a different paper.
TODO: Question 1 is on the unavailable printed pages 2–3. No statement, subpart structure or solution is inferred from a different paper.

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