"100 plus"?
Assuming these are only small caps alphabetic digits, a 100 digits passphrase would take at least 3.142931e+141 (26^100) trials to bruteforce it.
You have pretty much the same chance (or better?) by going after Satoshi's BTC stash at that point.
Every possible key caps symbols all been hit randomly...call it a drunken keyboard dance.
are you a lefty or a righty?
we can try to restrict the possibilities ... 