Often the size and shape of the lawn and the kind of mower you have (not ZT) severely limits the pattern you can mow. If I were to mow mine diagonally instead of my regular spiral pattern, it would take twice as long, an hour I'm not willing to give up. I use two mowers with different cutting widths alternately in opposite directions. However, even with one mower, you can work in a half or third-width lap to distribute the wheel ruts more evenly.