(05 Apr 2019, 6:39 pm)omnicity4659 wrote Yeah, they are. If they're on 57s they'll be covering for a Solo on board which runs onto Nexus runs, and X14s if there's a deficit of suitable deckers/OmniCitys. But most of the time they're on the 35...

It would be easier swapping 1579/1580 with 1512/1513 from Jesmond, atleast they can be appropriate spares for the X21/X22.