Today's New York Lottery numbers:

231, 4403, 550, 0764.

Continuing the Serious Hardy Apology sequence,
here is a reference to volume number 231 in the
Springer Graduate Texts in Mathematics series—

IMAGE- 'Serious work on groups generated by reflections,' Springer GTM 231

For some less  serious work, see posts on 4403 (4/4/03)
as well as posts numbered 550 and 764.