@Gridelin An easier option would be to use GameCubeRNG(which is built into RNG Reporter 10.3.4) and switch the method to channel then you can search by IVs and it also gives the seed. https://gyazo.com/04eae2f40b258eca54929be29a0d0dae
Alternatively you can use PokeFinder to do it as well. https://gyazo.com/60386f34d42162b76cc15d08538e727a