Draw the unique stereoisomers for 1,2-difluorocyclohexane. show stereochemistry clearly. to ensure proper grading, explicitly draw all four groups, including wedge/dash bonds, around a chirality cente

Draw the unique stereoisomers for 1,2-difluorocyclohexane. show stereochemistry clearly. to ensure proper grading, explicitly draw all four groups, including wedge/dash bonds, around a chirality center. indicate whether the compound(s) could exist in an optically active form.