That's what I do. My problem is getting the stones in the right order because I often have difficulty figuring out which combinations I haven't tried.
I would like to see more games that reward intelligence points. I always forget mystic spindles exists. I think it would encourage people to play more games with an added incentive like intelligence. Subeku and 2048 are both good games, as long as you don't have to get the maximum score for 2048 in order to get 1 point for intel