The first named crew is on the Clubhouse Station
307) Sudbury (=D)────────────────────────────────────────┐
│ Maidstone Invicta (=E)
308) Star Club (=D)─────────┐ Maidstone Invicta (=E) ├────────────────────────────
├────────────────────────────┘ easily
309) Maidstone Invicta (=E)─┘ easily