The second STN aircraft gets rotated through to Manchester in a long winded way of getting the aircraft back to LCY.
Aircraft flies STN-IBZ-MAN-LCY, which means MAN also has an anomaly of having 3 outbound but 4 inbound IBZ, but also 1 inbound but 2 outbound LCY also.
The other anomaly is that the aircraft has 25 hours on the ground at MAN (possibly a back up) it arrives from IBZ at 1230 sat, departs 1320 Sunday to LCY.