I tried the basic key 5Juu22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt with replacing each character with each possible letter, e.g.:
5J
1u22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt <--first try
5J
2u22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt <-- second try
5J
3u22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt <-- ...
...
5J
yu22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
5J
zu22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
5Ju
122CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
5Ju
222CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
...
5Ju
z22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
5Juu
12CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
...
5Juu
z2CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
...
5Juu2
1CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
...
5Juu22
1kB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
...
...
5Juu22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoT
1...
5Juu22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoT
z <-- last try
then with two letters:
5J
1122CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
...
5J
1u
12CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt
...
No luck!
Then tried also all toggling case combinations for up to three characters:
5Juu22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5jeBa6dRNoTt <-- basic key
5J
Uu22CkB3
eAaBpEcyH9dypNhDN8fZgh6
rqwwbo5jeBa6dRNoTt <-- example
Again ... no luck.
Finally, I tried
every possible private key starting with:
5Juu22CkB3EAaBpEcyH9dypNhDN8fZgh6Rqwwbo5 | (11 chars missing at the end) | = 5811/232 = rougly 5 800 000 000 combinations |
5Juu22CkB3NAaBpEcyH9dypNhDN8fZgh6Rqwwbo5 | (11 chars missing at the end) | = 5811/232 = rougly 5 800 000 000 combinations |
5Juu22CkB3EAaBpEcyH9dypNhLN8oZgh6Rqwwbo5 | (11 chars missing at the end) | = 5811/232 = rougly 5 800 000 000 combinations |
5Juu22CkB3NAaBpEcyH9dypNhLN8oZgh6Rqwwbo5 | (11 chars missing at the end) | = 5811/232 = rougly 5 800 000 000 combinations |
5Juu22CkB3EAaBpEcyH9dypNhDZ8fXgh6Rqwwbo5 | (11 chars missing at the end) | = 5811/232 = rougly 5 800 000 000 combinations |
5Juu22CkB3NAaBpEcyH9dypNhDZ8fXgh6Rqwwbo5 | (11 chars missing at the end) | = 5811/232 = rougly 5 800 000 000 combinations |
5Juu22CkB3EAaBpEcyH9dypNhDN8fZgh6RQwwbo5 | (11 chars missing at the end) | = 5811/232 = rougly 5 800 000 000 combinations |
Total Keys: 7*58
11:2
32 currently tried = rougly 40 700 000 000 combinations
No luck
I think at least one answer in the document is horrible wrong.