A maintenance technician reads the following instruction: 'Lubricate all bearings except those marked with a red tag, unless the red-tagged bearings are also flagged as critical-service components, in which case lubricate them first.' There are 12 bearings total: 8 unmarked, 3 red-tagged, and 1 that is both red-tagged AND flagged as critical-service. Which bearings should be lubricated LAST?

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