sentence1: The first section , from Hokitika to Ruatapu , was opened on November 9 , 1906 , and the full line to Ross was completed on April 1 , 1909 .
sentence2: The first section , from Hokitika to Ruatapu , was completed on 9 November 1906 , and the full line to Ross was opened on 1 April 1909 .