Related Clues:
- X to Brutus
- Commandments' count
- It's not much
- Impeccability indicator
- Just a ___ (slightly)
- Bo Derek comedy
- Number after Big or top
- See 17 across
- Soupçon
- Perfection, to Gabby Douglas
- Two hours before 56 Down
- Equivalent of a Roman X
- Upper limit of mineralogists' Mohs scale
- Number on David Cameron's door
- Start of many a countdown