Well, i was giving her peronamin from my overflowing stock in hopes of getting R tickets (seriously i never expected to WANT R tickets when i quit last time, it was always giving her R tickets and praying for other stuff...).

Got the R card! Superb! Clicked and was given the SR card in the same go. I am thankful soranokira does not play this game, he would go all "tenhou luck" on me...

And i'd argue that giving one item equaling an R ticket or peronamin/pudding at a time really is the most efficient. In cases you do not get anything, you will most of the time get an SR3 + R card, which is great.