So like split the seed phrase into part A and B, make 3 copies of each. Rent 6 safety deposit boxes around the world for each copy of A and B? Impractical for

So like split the seed phrase into part A and B, make 3 copies of each. Rent 6 safety deposit boxes around the world for each copy of A and B? Impractical for most but I supposed if you are protecting several million, it's worth the security.