[sjmulder]

Might be because of the very similar PRNG used in Advent of Code two weeks ago:

    secret = (secret ^ secret << 6)  & 0xFFFFFF;
    secret = (secret ^ secret >> 5)  & 0xFFFFFF;
    secret = (secret ^ secret << 11) & 0xFFFFFF;

https://adventofcode.com/2024/day/22