I'll second the 3456ct. There was a 1728ct that emerged from Corning a few years ago for a global internet shopping site, then they needed a larger count, so Comscope put together a 3456 for them. Both are 1.3in in diameter and ribbon. Easily prepped and spliced. Works of art!
This is CABL.com posting #376390. Tiny Link: cabl.co/mbJ4Y