This might help. Great sequence of train arriving, then backing up to run round.
MK2A coaches, a MK1 RBR and a class 47 576(called Kings Lynn at Kings Lynn!!) all in NSE livery.
looks like:
47,TSO, TSO, TSO, FK, BSK, RBR or RMB, TSO, TSO, TSO
going north to Kings Lynn from London