Related Clues:
- Half of 116-Down
- Audible warning on course for boat crew
- Boundary of backward old city
- Noted piece following Guardian's main issue
- Bridge complement
- What's better than a full house as cause for reform?
- Note, I have this number
- Number in a quintet
- Cardinal commonly seen in the velvet revolution
- Quartet finds nothing in hair
- Number in favour of surrounding university
- Only digit whose value is equal to the number of letters in its name
- An hour before office closing time, maybe
- With 63- and 64-Across, meeting place suggested both literally and graphically by this puzzle's circled letters
- Cube root of 64