I was thinking (if not writing very clearly) in terms of a quarter note, so 1/9 = 1/36 = 3 beams (this was Anders' point). (Also by "closest" I was intending "in terms of floor"). The 1/9 is ambiguous at the level that cmn sees it -- is it 9:1 = 3 beams, or 3:3:1 = 2 beams?