Contrary to what the know-it-all gurus say, probabilistic search does work, understand well "probabilistic".
1-Prefix search(rmd)
2-Discarding improbable ranges
3-Discarding already scanned ranges
mcdouglasx@DESKTOP-xxxxxxx:/mnt/d/keyhunt-main$ ./keyhunt -m vanity -t 4 -l compress -R -b 30 -v d39c4704664e1deb76c9331e637564c257d68a08 -n 0x100000
[+] Version 0.2.230519 Satoshi Quest, developed by AlbertoBSD
[+] Mode vanity
[+] Threads : 4
[+] Search compress only
[+] Random mode
[+]Vanity search: d39c4704664e1deb76c9331e637564c257d68a08
[+] N = 0x100000
[+] Bit Range 30
[+] -- from : 0x20000000
[+] -- to : 0x40000000
Partial match found. Prefix: d39c47 Saving key: 0x254b3f6d Address: d39c47ba3ec193b509c2731ca8502d8e1d6869a4
Partial match found. Prefix: d39c47 Saving key: 0x358a57f0 Address: d39c47cedc2cb959a8d5d2767415beeed3bbaa64
Partial match found. Prefix: d39c47 Saving key: 0x38293a25 Address: d39c472538bc9ec5cd70e88482b9dac7d031f2b6
100% match found! Saving key to Eureka.txt: 0x3d94cd64 Address: d39c4704664e1deb76c9331e637564c257d68a08
? Can you give a link to the program and .BAT file with the correct command line for puzzle 68