well, if you  keep changing the seed after reaching a specific number of rolls, then i suggest you to change it randomly, some of the seeds are bad and they have a large red streak, those ones you should keep because the green bets will come next ! and some other ones have a good green streak, those ones you should change fast because the red streak will come . the fact here is that when you have a large red streak then you have keep the seed because the odds of winning increase then ! that