Apparently you don't get it.
What he wants is a proof that you are able to hear the difference. This means, at least, a log from ABX comparing utility where you consistently detect the difference between these samples.
And it's not there, the archive contains only samples themselves.
Apparently, you are.
Here:
foo_abx 2.0.5 report
foobar2000 v1.4
2018-11-10 15:12:40
File A: _a.flac
SHA1: 6bb13eaaf1e88834a70821f6ed944df669cfbf44
File B: b.flac
SHA1: 105c78ff2ac0bf37a1075e35f9d4e3d74b5b007e
Output:
DS : Driver de som primário
Crossfading: NO
15:12:40 : Test started.
15:13:54 : 01/01
15:14:04 : 02/02
15:14:14 : 03/03
15:14:22 : 04/04
15:14:33 : 05/05
15:14:44 : 06/06
15:14:59 : 07/07
15:15:12 : 08/08
15:15:26 : 09/09
15:15:38 : 10/10
15:15:38 : Test finished.
----------
Total: 10/10
Probability that you were guessing: 0.1%
-- signature --
c120902a839f19e31891ff12cb93f617aee80fd7
foo_abx 2.0.5 report
foobar2000 v1.4
2018-11-10 15:05:09
File A: 03. Sogno_cd_japan.flac
SHA1: b05d756a44e46fa76e91c7de2f20c7f1ffa31878
File B: 03. Sogno_k2hd.flac
SHA1: 6c0de7fb3169025d8641bb8d6f42b05fab8f52b8
Output:
DS : Driver de som primário
Crossfading: NO
15:05:09 : Test started.
15:06:39 : 01/01
15:06:50 : 02/02
15:07:00 : 03/03
15:07:15 : 04/04
15:07:23 : 05/05
15:07:31 : 06/06
15:07:38 : 07/07
15:07:47 : 08/08
15:07:57 : 09/09
15:08:06 : 10/10
15:08:06 : Test finished.
----------
Total: 10/10
Probability that you were guessing: 0.1%
-- signature --
81aa6b9e34aa39ca77f6507b5f4251ffe3e20443