OK, this would sound noobish but I'm interested to know how other people keep the mnemonic phrase generated by the wallet. I do have the wallets secured with a pw and backed up (still not enough to warrant a hardware wallet) but I also have the passphrases handwritten in paper (someone said be wary of printers) and stashed somewhere but I'm wondering if there's a better way to keep them.

I don't know any cryptography but I'm thinking of shuffling the words rather than writing them down in order. Like a 12x12 grid where I'd spread them out in certain patterns and then finished with filler words. Since it's no longer as straight-forward should anyone get their hands on it, I think it would finally be safer to keep digital copies of it. Any suggestions?