172 102 speeds through Princes Risborough on the up main line with 1Z32, an extra train departing Banbury at 11:28 to Marylebone. Due through here at 11:58 it is running a few minutes early at 11:54. 165 002 can be seen in Platform 2 with 2A24, the 10:50 from Marylebone to Aylesbury working. Sunday 23rd December 2012. Digital Image No. GMPI13356.