C99 is good smoke..i bought some those from "Female Seeds" back in 2017..still have 2 left...i crossed some with several other strains since then and have them in my seed  collection..made C99 x Orange Bud  and C99 x Ice/Blueberry and C99 x GSC/Blueberry  and a couple others...some of those mixes i havnt even tried yet..lol