Tweetbro start the prop from the begginging of your cycle. theres no reason you should start it at week 4...why not add some masteron in there...hows this, might be a little expensive but its a better cutting cycle than the one above...MM

prop 75mg ed (1-12)
masteron 50mg ed (7-12)
var 40mg ed (7-12)
primo 400mg (1-10)