1. The research team was baffled by the anomaly. (This establishes the core issue: a perplexing anomaly.)
3. The results contradicted established scientific theories. (This elaborates on the anomaly's nature and significance.)
2. They decided to replicate the experiment under stricter conditions. (This details the team's reaction to the anomalous, contradictory findings.)
4. A deeper investigation revealed a minor error in calibration. (This presents the resolution stemming from their subsequent actions, clarifying the anomaly.)
This arrangement forms a coherent narrative: problem identification, problem explanation, action, and resolution.