The first named crew is on the Clubhouse Station
226) Sudbury (=B)──────┐ Upper Thames (=B)
├───────────────────────┐
227) Upper Thames (=B)─┘ 3 lengths │ Cygnet (=A)
├───────────────────────
228) Yare (=A)─────────┐ Cygnet (=A) │ 2 lengths
├───────────────────────┘
229) Cygnet (=A)───────┘ easily