If you are facing white, try this:
R U' R' U' R U R' U2 R U' R'
I am sorry I don't have any cubes now so I might have written something wrong but please try it and let me know
Update: Learned full PLL and am now using lookahead. now averaging about 17 when warmed up. Trying to find time to practice, as I've ignored cubing in general for about 4 months i think