 Leveto, interpret the cycle as being "Marian", that is, part of the Life of Mary, rather than specifically representing those scenes associated with the Nativity.Evidence for this interpretation is the presence of the rarely depicted scene of the "Trial by Bitter Water".With this interpretation, the three missing narrative scenes would have had a different content, and the sequence itself would be differently ordered, moving from the left-hand side of the arch to the first two scenes of the lower register, through the top register and then to lower right-hand scenes and finishing with the Magi scene on the opposite side of the arch.