Specific amount of letters/digits

[TheBogeyman]

Or use copilot to create a python script With requested limitations. So 12 character long wordlist, minimum and maximum number of digits is 2, all the rest are lower case letters and create a wordlist.txt.
And then you crack hash with that wordlist. But all combinations is 9x10^18 combinations. If your rig is capable to do 1billion per second, that would take few of your lifetimes