Try to improve randomizer.
Its impossble to generate randomly key like this "1111111111111111111111111111111111111111111111111111111111111111"
There is combinations with less chance which can be generated randomly and need to be avoided - 1111, 2222, 3333 ... 1234, 5432 ... 1357, 8642 ... 112233, 335577, 88AADD ... 575859, 121314, 908988 ... F00F66F, 3AA3FF3, 4DD4004 ... combinations with some kind of progression
I analyze key structure from
https://allprivatekeys.com/hacked-brainwallets-with-balance 0209442E115AD7BC79FD281D91423A86B619E3C711FE574B7CC198D2E3C461C4
0B14D501A594442A01C6859541BCB3E8164D183D32937B851835442F69D5C94E
10C02045E013E9DCA9791BC82FC8255CF6947C91A6CAA07D7F5ABBA927F000AB
1A274C1A952B65D798C2736F86927A8A05D3CD8CB3175ECA2EC64766647C368E
204F2EA6051C33FC2B53674B07086F83F5814C084F3E5EC07FC48E88D33313A3
239ED6E3E8AB89EEC7C888B05CCD68C63BA973CDA5C8BA2F802FF1A8806960E0
36A9E7F1C95B82FFB99743E0C5C4CE95D83C9A430AAC59F84EF3CBFAB6145068
37290D74AC4D186E3A8E5785D259D2EC04FAC91AE28092E7620EC8BC99E830AA
505AEA3BCFD1200BA71BBB139A3BE6EFD72847213023ACDDAAA537BB6E8DD6E4
534997FD5F3384B9C503E98ABEED8856D51E0BA06C07EA8A5121D3E4EA9918B2
6161B0A284159565A0F7D5DF2DD2698B5F87906CD91FF5322CAF179B451F5A41
628DB9ACFA325B261EE5D73A0AF55EA71F61E069DE044CAD98CB18C06BBA93AC
73CD1B16C4FB83061AD18A0B29B9643A68D4640075A466DC9E51682F84A847F5
74A005A1BF949FEA6718F9CBD7FB03A37D5DAC43E40A2C5C0615A78B64D7C918
8097CACC017A96EEF729BBD85EFE89F5E1104AE154A4BF1CC065701D4D53AF0A
80C8DA9F5EAE6157E2399693DC488163E771D4B2D3543DA233F3214CF1E8C3A2
81B637D8FCD2C6DA6359E6963113A1170DE795E4B725B84D1E0B4CFD9EC58CE9
90A552D20FD58AE16387CFF1EBAED1239565DE055102649C6A624F88815F8709
98D44E13F455D916674D38424D39E1CB01B2A9132AACBB7B97A6F8BB7FEB2544
A11562D9B57C0A82DC40A8EBC0A19516236FB2BE912B7DF7D3CCD9240374B5FF
AD95D5FA651BA86D8923FE1238D24A4F1988A752ACFE426AC72AC7C04471BC17
B221D9DBB083A7F33428D7C2A3C3198AE925614D70210E28716CCAA7CD4DDB79
B9C8D67E213E796B5DC1FB1084260CAA65EF1E19E9C43088D39FA146AB77973B
C0A63C0607837069C0AD00C8782CE279540C6B06858495480EBFC73B43D8A4EB
C1F026582FE6E8CB620D0C85A72FE421DDDED756662A8EC00ED4C297AD10676B
D22F115ABD6B44F9985037CFB39D6E1AB2DB87A470D3E1081196562D420B8E41
DC9C5EDB8B2D479E697B4B0B8AB874F32B325138598CE9E7B759EB8292110622
E1608F75C5D7813F3D4031CB30BFB786507D98137538FF8E128A6FF74E84E643
E38FA83E534C7ABB32ED373ABF73F49981E57731308548868635497F4B53B64D
F463D85F82FB33A4CAFC3C9D88FE45C4112D573F8506B672F85B69DA7FDAB2AF
FBA2EAC3EE47FF78190EAB8ACFC21686955E4AED6FD45A5524AD84B537AEEB23
...
Will be so nice if there is option to print on screen every random key with rekey "-r" or output them in file.