The tribune has an outer arch with two inner openings divided by a central column. There is zigzag on the outer arch and diapering in the tympanum of the west bays. The tribune piers alternate between compound and circular with demi-shafts. The arcade has alternating polygonal and circular shafts with billet molding on the arch. The string course between has tightly packed zigzag. Some of the medieval paint persists in the near pier and spandrel.
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