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| Exeter, Cathedral 
 Rose window on the west facade of the transitory
			period from Early English to the Decorated - cf Canterbury Cathedral St Anselm's Chapel 
 
 Symmetry symbol Schoenflies: C5v Symmetry absolute number: 8 
 Symmetry comment: 5m design in the center. Outside the central circle uses alternate 4m motifs orientated on a vertical left-right m symmetry | 
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