Hello All. We bought this grill from Home Depot. When looking at the advertisement it appears to have 5 vertical gas pipes. It ended up having 2 as seen in my photo. I rarely have enough food to cover more than 1/2 the grill surface and am wondering if there is a good solution? Maybe just turning on the left knob only and running propane to the left gas pipe? But am also curious why ours does not look like advertisement. Any feedback would be appreciated. Thank you.