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code hashes verified by script before running. Simulator at commit b244530 unmodified, default ChallengeConfig/ParameterVariance, 2000 steps, single process, no sandbox/workers. Each seed: sample_config(base,var,seed) and SimulationEngine(config,factory,seed) per strategy with fresh instance. d = MA total_edge - N total_edge. s from competitor best bid/ask at step 0 (observed through comparator's first state). Comparator check values on seeds 310000-310003 matched exactly. Chunks of 50; one interrupted chunk (900900) rerun in full."}