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1. I lives on an even-numbered floor but not on the floor numbered second or fourth. 2. Only three floors are there between I and J. 3. There are equal numbers of floors between the floors on which X and J live and between the floors on which I and X live. 4. Only two people live between K and X.
5. Y lives on i floor above L. 6. A lives immediately below L’s floor. 7. Z lives immediately below I’s floor
There is no flat empty for A and L in CASE2A soCASE2A is cancelled out.Y lives on a floor below L in CASE2B so CASE2B is cancelled out. Final arrangement:
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