sentence1: The reservoirs that form the chain are from the northwest to the southeast : Catcleugh Reservoir → Colt Crag Reservoir → Little Swinburne Reservoir → Hallington Reservoirs → Whittle Dene .
sentence2: The reservoirs that form the chain are , from northwest to southeast : Little Swinburne Reservoir → Hallington Reservoirs → Catcleugh Reservoir → Colt Crag Reservoir → Whittle Dene .