Question about CSB

Dotiie

hey, i know this may sound kinds stupid, but someone can tell me how many seassons i need to get CSB Aizen?

I get 223 challenge stones per day, already have 2855 stones

I'm asking this cuz i dont know the duration of a CSB's seasson :s
if u know, can u tell me how many days i will need? (ofc with the breaks between seassons) just if u know and wanna help me out with it