Rearrange these locomotive classes into the order in which they were first built, with the earliest at the top
Correctly ordered list
1: Great Western Saint 1902
2: Southern Lord Nelson 1926
3: Great Western King 1927
4: LMS Princess Royal 1933
5: LMS Black Five 1934
6: LNER A4 1935
7: LNER V2 1936
8: Southern Merchant Navy 1941
9: LNER B1 1942
10: Great Western County 1945