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Case #1: 3 1 2 4 1 3 8 3 2 1 Case #2: Impossible Case #3: 4 1 2 3 2 4 4 4 3 3 3 1 2 Case #4: 8 7 2 4 8 5 5 1 5 11 6 8 10 8 7 2 1 7 6 3 8 4 5 7 9 Case #5: Impossible