[5KRFMvDqVFALC3t2qiRuctoxGLoTqRuLdoqqpdqustqv]

Hi, everybody.
You can suggest a program to restore the last 7 characters of the bitcoin private key.
Or a program that generates all possible keys with the last 7 characters.
For example there is a key 5KRFMvDqVFALC3t2qiRuctoxGLoTqRuLdoqqpdqustqv but it does not contain the last 7 characters. How do I generate all possible keys with initial characters ?

[1BitcoinEaterAddressDontSendf59kue]

I came across this address 1BitcoinEaterAddressDontSendf59kue
To generate a 1BitcoinEaterAddressDontSend address using VanityGen, you will need 3.3 E+33 or 3.3 decillion years.
Please tell me how you can generate an address of this length and with what?
Here is a link to the transactions https://btc.com/1BitcoinEaterAddressDontSendf59kuE
or do I not understand something?