Being a "numbers person" myself too, I am tempted to try to cheat here bit.
Are Opus 11 or Opus 111 admissible in this thread?
If yes,
Brahm's String Quintet #2 Op.111
Bethoveen's Piano Sonata #32, Op.111
Dan Zimmerman
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[If you really were a numbers person, you'd know the answer. -Dave]