Generate a more complex version of this sentence I uru mai ngā tereina Class 800 ki te mahi i runga i te Great Western Main Line i te 16 o Oketopa 2017.
Ko te tikanga, he putanga matatini ake o te rerenga ko "Ko nga tereina Class 800 i uru ki te ratonga i runga i te Great Western Main Line i te 16 Oketopa 2017, ka mahi i runga i te East Coast Main Line mai i te Tihema 2018. "