@nomachine:
Current cyclone version from github is not working
# ./Cyclone -b 4 -h f92044c7924e5525c61207972c253c9fc9f086f7 -r 6bd20000000:6bdffffffff -S
================= WORK IN PROGRESS =================
Puzzle/Bits : 32
Target Hash160: f92044c7924e552...c253c9fc9f086f7
Prefix length : 4 bytes
Mode : Sequential
CPU Threads : 12
Mkeys/s : 36.27
Total Checked : 725503488
Elapsed Time : 00:00:20
Start Range : 6bd20000000
End Range : 6bdffffffff
Progress : 19.3 %
Progress Save : 0
Stride : 1
================== FOUND MATCH! ====================
Private Key : 000000000000000000000000000000000000000000000000000006BD3B27C591
Public Key : 02A631F9BA0F28511614904DF80D7F97A4F43F02249C8909DAC92276CCF0BCDAED
Total Checked : 856310784
Elapsed Time : 00:00:23
Speed : 31.1849 Mkeys/s
It works the same here as in the previous version.
Mutagen updated
https://github.com/NoMachine1/Mutagen/commit/3e6791d69b0146864a853e826828ec8b5852872b