| Answer | Crossword Clue |
|---|---|
| RST | 18-20 in a series |
| RST | 18, 19 and 20 in a series |
| RST | 18, 19 and 20 of a series |
| RST | 18, 19, and 20 of a series |
| RST | 18-20 in a sequence |
| RST | 18 to 20 in a sequence |
| RST | 18 through 20, in a run |
| BEARD | What presidents 18 through 20 have in common |
