Interpret a UUID

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UUID: 
Your input:                      f9b66ef6-1c1d-42e0-ad42-7c74e5ebec58

Various notations:

URN:                             urn:uuid:f9b66ef6-1c1d-42e0-ad42-7c74e5ebec58
URI:                             uuid:f9b66ef6-1c1d-42e0-ad42-7c74e5ebec58
Microsoft GUID syntax:           {F9B66EF6-1C1D-42E0-AD42-7C74E5EBEC58}
C++ struct syntax:               { 0xf9b66ef6, 0x1c1d, 0x42e0, { 0xad, 0x42, 0x7c, 0x74, 0xe5, 0xeb, 0xec, 0x58 } }

As OID (ISO/ITU-T 128 bits):     2.25.331925019542582726118723896587601046616
As OID (Microsoft):              1.2.840.113556.1.8000.2554.63926.28406.7197.17120.44354.8156389.15461464
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.17993691364518085344.12484677958539930712
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.4189482742.471679712.2906815604.3857443928
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.63926.28406.7197.17120.44354.31860.58859.60504

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     11111001 10110110 01101110 11110110 00011100 00011101 ????0010 11100000
                                 ??101101 01000010 01111100 01110100 11100101 11101011 11101100 01011000
Random bytes:                    [0xf9b66ef61c1d?2e0?d427c74e5ebec58]