Interesting Kumato at F3

[Solanum315]

Pic doesn't show how pink the fruit is. I cut one open and ate it today. Very meaty, few seeds firm flesh, good flavor. Kinda strange how F2 looked like the store bought kumato and then F3 it went from black to pink and got quite a bit bigger. The plant I got seeds from last year was isolated from other plants by at least 100 feet. Oh well, I like it. Would be fine if it stabilized into this tomato.