LINUX and AMIGA hexdumps:-
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( Using:- hexdump -C Private_String )
For the GNU/Linux Mint Cinnamon 22.3, g++ c++98 standard...
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000011f0  f3 0f 1e fa e9 77 ff ff  ff f3 0f 1e fa eb 62 27 |.....w........b'|
00001200  24 56 45 52 20 28 43 29  32 30 31 39 2d 32 30 32 |$VER (C)2019-202|
00001210  36 5f 42 61 72 72 79 5f  57 61 6c 6b 65 72 2c 5f |6_Barry_Walker,_|
00001220  47 30 4c 43 55 2c 5f 50  72 69 76 61 74 65 5f 53 |G0LCU,_Private_S|
00001230  74 72 69 6e 67 2e 63 70  70 5f 56 65 72 73 69 6f |tring.cpp_Versio|
00001240  6e 5f 31 2e 30 30 2e 30  30 3b 5f 43 43 30 5f 4c |n_1.00.00;_CC0_L|
00001250  69 63 65 6e 63 65 5f 5b  50 44 5d 2e 20 27 0a 00 |icence_[PD]. '..|
00001260  00 c3 f3 0f 1e fa 53 48  8b 35 6a 2d 00 00 48 8d |......SH.5j-..H.|
00001270  1d cb 2d 00 00 48 89 df  e8 03 fe ff ff 48 8d 35 |..-..H.......H.5|
00001280  80 0d 00 00 48 89 c7 e8  e4 fd ff ff 48 89 df be |....H.......H...|
00001290  01 00 00 00 e8 f7 fd ff  ff 48 89 df 48 8d 35 82 |.........H..H.5.|
000012a0  0d 00 00 e8 c8 fd ff ff  48 8b 35 29 2d 00 00 5b |........H.5)-..[|
000012b0  48 89 c7 e9 c8 fd ff ff  f3 0f 1e fa 48 83 ec 08 |H...........H...|
000012c0  48 83 c4 08 c3 00 00 00  00 00 00 00 00 00 00 00 |H...............|
000012d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
*
00002000  01 00 02 00 54 68 65 20  69 6e 74 65 67 65 72 20 |....The integer |
00002010  76 61 6c 75 65 20 6f 66  20 27 6e 75 6d 62 65 72 |value of 'number|
00002020  27 20 3d 20 00 2c 20 61  6e 64 2c 20 69 6e 20 74 |' = ., and, in t|
00002030  68 65 20 64 61 74 61 20  73 65 63 74 69 6f 6e 21 |he data section!|
00002040  00 54 68 69 73 20 73 68  6f 75 6c 64 20 61 6c 73 |.This should als|
00002050  6f 20 62 65 20 69 6e 20  74 68 65 20 64 61 74 61 |o be in the data|
00002060  20 73 65 63 74 69 6f 6e  2e 00 54 68 65 20 68 69 | section..The hi|
00002070  64 64 65 6e 20 73 74 72  69 6e 67 20 69 73 20 69 |dden string is i|
00002080  6e 73 69 64 65 20 74 68  65 20 63 6f 64 65 20 73 |nside the code s|
00002090  65 63 74 69 6f 6e 2e 00  01 1b 03 3b 44 00 00 00 |ection.....;D...|
000020a0  07 00 00 00 88 ef ff ff  78 00 00 00 c8 ef ff ff |........x.......|

( Using:- AMIGA ADE's /C/Type HEX > Private_String.txt )
On FS-UAE, AMIGA A1200(HD), 4MB FastRAM, and g++/ADE the *NIX emulator...
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0350: 00010A74 4E750000 4E550000 4EF90000    ...tNu..NU..Nù..
0360: 039C2724 56455220 28432932 3031392D    ..'$VER (C)2019-
0370: 32303236 5F426172 72795F57 616C6B65    2026_Barry_Walke
0380: 722C5F47 304C4355 2C5F5072 69766174    r,_G0LCU,_Privat
0390: 655F5374 72696E67 2E637070 5F566572    e_String.cpp_Ver
03A0: 73696F6E 5F312E30 302E3030 3B5F4343    sion_1.00.00;_CC
03B0: 305F4C69 63656E63 655F5B50 445D2E20    0_Licence_[PD]. 
03C0: 270A0000 4E5D4E75 54686520 696E7465    '...N]NuThe inte
03D0: 67657220 76616C75 65206F66 20276E75    ger value of 'nu
03E0: 6D626572 27203D20 002C2061 6E642C20    mber' = ., and, 
03F0: 696E2074 68652064 61746120 73656374    in the data sect
0400: 696F6E21 00004E55 00002F0A 48790000    ion!..NU../.Hy..
0410: 03A04879 00000210 4EB90000 1AAA2E80    . Hy....N¹...ª..
0420: 45F90000 164C4E92 48780001 48790000    Eù...LN.Hx..Hy..
0430: 02104EB9 000013BC 48790000 03C14879    ..N¹...ŒHy...ÁHy
0440: 00000210 4E924FEF 00142E80 4EB90000    ....N.Oï....N¹..
0450: 1AAA246D FFFC4E5D 4E755468 69732073    .ª$m.üN]NuThis s
0460: 686F756C 6420616C 736F2062 6520696E    hould also be in
0470: 20746865 20646174 61207365 6374696F     the data sectio
0480: 6E2E0054 68652068 69646465 6E207374    n..The hidden st
0490: 72696E67 20697320 696E7369 64652074    ring is inside t
04A0: 68652063 6F646520 73656374 696F6E2E    he code section.
04B0: 00004E55 00002F0A 4EB90000 B2B06100    ..NU../.N¹..²°a.

