North/South instead of East/West?

[Bruinwar]

Hi all.

The last three years I've planted by rows of tomato plants East/West. Mainly I chose that because the grade falls from the west to the east. So the drainage would naturally go downhill.

Somewhere I read that in complete full sun, the rows should be planted north/south to give the plants a break as the sun passes over.

Does it matter? See the attached pic. It shows last years layout & this years proposed layout. The 5' diameter circles of course represent each plant. Yes, at 2-3/4' a part, they are a bit tight but really don't want to cut back on the number of plants. The layout is 6 feet longer than last year because we plan on rototilling into the empty plots to the north. Hopefully the garden manager doesn't notice we moved the stakes.