Using `07` is a neat pun, but it not friendly to the reader. If the reader naively copies it and then changes the `7` to an `8` or a `9`, it will fail compilation: `invalid digit ... in octal constant`. Best avoided. Note that the other examples do not use octal literals.

PiperOrigin-RevId: 621335289
Change-Id: I6b11a639c5ba675eb29467baf45996ceff0ed9bf