Cucumber - looks a bit odd

in Fruit & veg
We purchased four cucumber plants and one of them has us puzzled - it looks nothing like the other three or any that we have previously had:

It's growing well and seems OK. Anyone any idea what it is - could it be a variety that I've never seen before. The other three:

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https://coolplants.com/en/plants/cucurbita-pepo-diamant-f1