calculate in how many week you obtain all card by a subscrition VGHD
(number of card released - card you have)/ (card you obtain in subscription per week - card release per week - vip card released per week)
(Cr-Ch)/(Cs-Cw 0,23)=W => W=(Cr-Ch)/(7-4-0,23)
exemple: if you have 333 card and there are released 802:
W=(802-333)/2,77=169,3 week
in 169 week hou have all card of VGHD includin not released to day