Is Ecw 2c96 & Bml 1f96 The Same Train Or Not?

Did BML Journey 1F96 London Victoria Seaford/Ore which ends at Wivelsfield which was during the Winter Time Snow Storm Weather starts at Victoria Station 17:43 Wivelsfield 18:35/18:40. Then continued the same service on ECW as 2C96 London Victoria to Seaford 8 carriages Lewes 19:00 same weather conditions. My question is this are the two services form the same train or not? IF same train DTG can try linking ECW & BML via Wivelsfield Lewes connector.
Pictures of 1F96 & 2C96




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That would be great so we could then do a long/unbroken 66 aggregate run

 

Thanks Joe. So if we merge Eastcoastway with Brighton Main Line where will 1F96 separate from 2C96 I'm guessing at Wivelsfield or between Lewes and Wivelsfield