Related topic: When looking at different arrangements of the same order panel for use in a Barker sequence, it is worth comparing the scatter drawings.
Left shifting alone is not going to give you any substantial change in the diffusion pattern apart from some offset. Is it enough? That's a whole other can 'o worms...
Vertical shifting is the same situation until a well hits the bottom and then flips to become zero depth. You then get a change in the scatter angles. (As in your example D)
On a welcome note, QRDude now remembers your most recent values and settings, plus you can save and load individual projects.
