If I give you problem A. Is following process possible?
1. Propose 2 solutions.
2.Based on the 2 solutions, solve problem A and obtain 2 results.
3. If the 2 results are the same, return the results and exit, else think step by step why the results are different.
4. Based on the reason, propose 2 improved solutions.
5. Go to 2.
 Provide your response in exactly 2 paragraphs (separated nearby paragraphs with 3 aterisk symbols ***).
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