>>142826An argument can be made for both. I would say counter-clockwise.
The two left squares are 'key'. The tomato group are the most nutrient consuming crops, asking most of the soil. The group below with beans and pea's are rather unique because they are known to actively affix Nitrogen to the soil when alive (thus adding nutrients, like most Fabaceae) and the plants can be used as green manure too after harvest.
I prefer planting Fabaceae (peas, beans, ..) after my tomatoes and peppers, to restore the soil. The year after that the plot mostly gets used for leafy vegetables like lettuce and spinach, since they use a minimum of nutrients, thus not asking too much of the soil yet. This would constitute a counter-clockwise application of your picture. Most fellow gardeners I talk to do it the same way. There are those who prefer to do it the other way round though; growing nitrogen-affixing crops the year before tomatoes, so they can use the nutrients added.
Pic unrelated; my strawberries are finally ripening properly. The photo is poor sampling but I wanted to post some OC; I let today's batch out of my sight for half an hour while my sister and girlfriend were around so the shiny big ones were gone before I got to take a picture.
