I optimise mine for max clibbins dispersion.

Or if it's really thick and damp I'll do a patern like 2 rows forward 1 row back so they get finely mulched instead of clumped. Think a narrow clockwise rectangle on the right of a given square of grass that slowly walks to the left so the clipings are pulled away from the uncut grass and then run ove again on the return trip. Also helps in case it's thick enough that the grass isn't fully being cut.