Expressions with Number Variation

[Shapiro, Fred]

In connection with the discovery that the original formulation of "the whole nine yards" may well have been "the whole six yards," Dave Wilton has pointed out that "there are many examples of phrases with numbers that went through multiple versions with different numerical values before settling on the one that became canonical (e.g., 'cloud nine')."  Can Dave or anyone else give me other examples of this kind of number variation?

Fred Shapiro

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