User blog comment:Kyodaisuu/Mashimo function/@comment-24509095-20140705233241/@comment-5150073-20140706213323

Yes, an surprisingly: the gap between CK(19) and CK(20) isn't larger than the gap between, say, $$\omega_{100}^\text{CK}$$ and $$\omega_{101}^\text{CK}$$.