why climb Mt. Everest?

why.

You used my previous solution ;)

What sequence do the number of windows follow? It doesn't seem to have anything to do with the fibonacci sequence:

0, 1, 1, 2, 3, 5, 8, 13, ...
vs
2, 4, 4, 6, 8, ???

so it was nuked by a mod that time.

no. It has been retired because the satisfaction rate was too low when the second autocalculation occured (rate<40% on the 10th, 11th or 12th completion, I never remember which one it is)

This is already the third time you post the same kata ...
It scored 0% the first time, around 50% the 2nd time after issues got resolved, so it was nuked by a mod that time.
No need to post this kata a third time.

I'd guess there is a misunderstanding about how the ranks are ordered.

@kibogdan, not sure why you still think this is a 2kyu level kata challenge, as it's routinely rated at 7kyu...

FYI, your previous kata was retired because the community rated it below a certain threshold. Since this is the exact same kata, it will likely be retired again.

if you republish your kata, just add the next level to the description

you cannot delete it.

You can publish a new one with the corrections, but I'm not sure about how it will be "welcomed" by other users (as I was saying before, the task is very close to be a duplicate)

4th hint is redundant, the Title should suffice.

Can I delete this kata and create a new one similar without mistakes?

Sorry, that's not possible. Retirement is a "one way" only operation.