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Gives the zone the cockroach was throughout the trial: zone 255 = outside the shelters, zone 94 = Vanillin-scented shelter, and zone 222 = Control shelter.该数据集记录了蟑螂在整个实验过程中所处的区域：255号区域对应蟑螂处于栖息处外，94号区域对应带有香兰素（Vanillin）气味的栖息处，222号区域对应对照栖息处。