They should convert 19641-6(19645/6 to transfer over from walkergate) to open top for special open top boards on the E1/2 (3 per route) with 19670-3 going to shields from walkergate for to replace 19641-44 the X34 (to keep double deckers on the X34) and 27723-6 going to walkergate in trade for 19670-3 and 27727/8 also going to walkergate in trade for 19645/6 with the E300s being allocated to 3 early return boards on the 12 and 3 18 boards