sentences:  A duplicate number was granted to class members between 1903 and 1924, so that after grouping in 1923, the Southern Railway inherited locomotives with a '0' prefix to the LSWR numbers.The final three class members that survived the mass withdrawal of 1929 were renumbered 3488, 3125 and 3520 after overhaul.Livery under the Southern was Richard Maunsell's darker version of the LSWR Sage Green livery, with yellow numbering and lettering on the water tank sides and coal bunker.