var pk = new XK3(File.ReadAllBytes(@"D:\xd_manectric.xk3")); // 5BA9053A 28/0/22/23/21/17
var locks = new NPCLock[] {
    new NPCLock { Species = 291, Gender = 1, Nature = 6 } // Ninjask-F
};
checkpkm();

pk = new XK3(File.ReadAllBytes(@"D:\xd_pineco.xk3"));
locks = new[] {
    new NPCLock { Species = 291, Gender = 0, Nature = 6 } // Ninjask-F
};
checkpkm();

pk = new XK3(File.ReadAllBytes(@"D:\xd_natu.xk3"));
locks = new[] {
new NPCLock { Species = 291, Gender = 0, Nature = 0 },
new NPCLock { Species = 291, Gender = 1, Nature = 0 },
};
checkpkm();

pk = new XK3(File.ReadAllBytes(@"D:\xd_paras.xk3"));
locks = new[] {
new NPCLock { Species = 291, Gender = 0, Nature = 24 },
new NPCLock { Species = 291, Gender = 1, Nature = 6 },
};
checkpkm();

void checkpkm()
{
    var legal = new LegalityAnalysis(pk);
    var pidiv = legal.Info.PIDIV;
    var seed = pidiv.OriginSeed;

    var result = LockFinder.FindLockSeed(seed, locks, true, out uint origin);
    result.Dump();
    Debug.WriteLine(origin.ToString("X"));
    Console.WriteLine();
}