inspect git:20260912.4c1f315C

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# Inspect

Read the task instruction, solution.py, and the exposed public tests. Identify
one mismatch between the required behavior and the implementation. Trace the
relevant input through the code to explain the cause before changing it.
Use the bounded public-test operation to reproduce the failure when useful.
Treat examples as evidence for the full contract, not as a list of answers.
Keep enough turns for an edit and a verification run.