The first named crew is on the Middlesex Station
267) Putney Town (=C)───────┐ Putney Town (=C)
├─────────────────────────────┐
268) Kingston (Hepburn =C)──┘ DNS │ Poplar Blackwall (=D)
├─────────────────────────────
269) Poplar Blackwall (=D)──┐ │ easily
│ Poplar Blackwall (=D) │
270) Fairlop (=C)────────────┐ Kingston (Valionkin =C) ├─────────────────────────────┘
├─────────────────────────────┘ easily
271) Kingston (Valionkin =C)─┘ easily