Interpret a UUID

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UUID: 
Your input:                      66e4ddf4-dbb5-43ff-a521-b39817c310ac

Various notations:

URN:                             urn:uuid:66e4ddf4-dbb5-43ff-a521-b39817c310ac
URI:                             uuid:66e4ddf4-dbb5-43ff-a521-b39817c310ac
Microsoft GUID syntax:           {66E4DDF4-DBB5-43FF-A521-B39817C310AC}
C++ struct syntax:               { 0x66e4ddf4, 0xdbb5, 0x43ff, { 0xa5, 0x21, 0xb3, 0x98, 0x17, 0xc3, 0x10, 0xac } }

As OID (ISO/ITU-T 128 bits):     2.25.136769601065997774073753236628733890732
As OID (Microsoft):              1.2.840.113556.1.8000.2554.26340.56820.56245.17407.42273.11769879.12783788
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.7414294930286527487.11898989156304621740
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.1726275060.3686089727.2770449304.398659756
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.26340.56820.56245.17407.42273.45976.6083.4268

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     01100110 11100100 11011101 11110100 11011011 10110101 ????0011 11111111
                                 ??100101 00100001 10110011 10011000 00010111 11000011 00010000 10101100
Random bytes:                    [0x66e4ddf4dbb5?3ff?521b39817c310ac]

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