Wrong order for SimpleDFSane

[axla-io]

I think this line should be after this line.

Compare with the batched DFSane
I can make a quick PR if so.

[axla-io]

Oh actually, why is the order the way it is in the batched version?

[axla-io]

Sorry, this was a misunderstanding. After taking a second look, the implementation does indeed follow the paper.