Table:
text: Rhymney Railway A class
Construction
Construction
Year_ RR_class RR_Nos_ Builder Builder_Nos_ GWR_BR_Nos_
1910 A 10–14 Robert Stephenson & Co. 3387–3391 52–56
1910 A 115–119 Robert Stephenson & Co. 3392–3396 71–75
1911 A 15, 18–22 Hudswell Clarke 946–951 57–62
1914 A1 23–25 Hudswell Clarke 1063–1065 63–65
1916 A1 26–27 Hudswell Clarke 1119–1120 66–67
1918 A1 28–30 Robert Stephenson & Co. 3660–3662 68–70

Question: Give the builder numbers with the RR class a1 and a year less than 1916 under the Rhymney Railway A class?

Question: Give the RR numbers of Hudswell Clarke and years before 1914 on the Rhymney Railway A class?