Undoc'd Feature?

[xerxes]

(07-03-2022 09:38 AM)toml_12953 Wrote:  If it's not actually doing a decrement, it's an awfully big coincidence that it should still work the same, no?

That was my first thought too. i tried to find out, if it is possible to get the result of 876 without calculating the first solution correctly,
but every change of the code causes an incorrect result or an infinite loop. So I don't think, that this is possible or I'm missing something.